| Contact Us
Free Shipping on orders over $199 Includes Lower 48|Need help? Call (866) 631-6389
open nav
close nav
Wholesale Direct to the Public
Home Comfort Heating & A/C Products
You have in your cart
Shopping Cart Cart |
Home Icon Home / Boiler Controls / Boiler System Accessories / Heater Accessories / Sensors & Control Accessories

Sensors & Control Accessories

Filter ▼
Learn More About Weil-McLain 381356586acw-sale-badge
Weil-McLain Outdoor Temp Sensor Kit
Write a Review
Weil-McLain - Outdoor Temperature Sensor Kit - For Weil-McLain GV90+, CGi, CGa, and EG-W Hot Water Boilers - MPN: 381356586
Item#: 49863
Model#: 381356586
Brand: Weil-McLain
$20.50
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
18 In-Stock
Add To Cart
Weil-McLain Outdoor Temp Sensor Kit
Learn More About Triangle Tube PTCAB01acw-sale-badge
Triangle Tube Cascade Communication Cable for Multiple Prestige Boiler
Write a Review
Triangle Tube - Cascade Connection Cable - For Triangle Tube Prestige and Prestige Excellence Hot Water Boilers - MPN: PTCAB01
Item#: 23141
Model#: PTCAB01
Brand: Triangle Tube
$25.34
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
4 In-Stock
Add To Cart
Triangle Tube Cascade Communication Cable for Multiple Prestige Boiler
Learn More About Triangle Tube PTSENS12acw-sale-badge
Triangle Tube Temperature Sensor for Cascade System
Write a Review
Triangle Tube - Cascade System Temperature Sensor - For Triangle Tube Prestige and Prestige Excellence Hot Water Boilers - MPN: PTSENS12
Item#: 23149
Model#: PTSENS12
Brand: Triangle Tube
$53.04
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
7 In-Stock
Add To Cart
Triangle Tube Temperature Sensor for Cascade System
Learn More About Weil-McLain 510300003acw-sale-badge
Weil-McLain Aquastat High Temperature Limit Control
Write a Review
Weil-McLain - High Temperature Limit Control - 100-200 F - Manual Reset - 510300003
Item#: 49336
Model#: 510300003
Brand: Weil-McLain
$109.85
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Aquastat High Temperature Limit Control
Learn More About Weil-McLain 510300004acw-sale-badge
Weil-McLain Aquastat High Temperature Limit Control
Write a Review
Weil-McLain - High Temperature Limit Control - 100-200 F - 5-30 F Adjustable Differential - 510300004
Item#: 49337
Model#: 510300004
Brand: Weil-McLain
$101.54
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Aquastat High Temperature Limit Control
Learn More About Weil-McLain 383300188acw-sale-badge
Weil-McLain Flame Guardian-WFFP Control Panel NG
Write a Review
Weil-McLain - Control Panel - Natural Gas - for Select LGB Boilers - 383300188
Item#: 49617
Model#: 383300188
Brand: Weil-McLain
$574.69
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Flame Guardian-WFFP Control Panel NG
Learn More About Weil-McLain 383300190acw-sale-badge
Weil-McLain Flame Guardian-WFFP Control Panel NG
Write a Review
Weil-McLain - Control Panel - Natural Gas - for Select LGB Boilers - 383300190
Item#: 49618
Model#: 383300190
Brand: Weil-McLain
$763.83
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Flame Guardian-WFFP Control Panel NG
Learn More About Weil-McLain 510350435acw-sale-badge
Weil-McLain Honeywell Display Module
Write a Review
Weil-McLain - Display Module - for 7800 Flame Safeguards - 510350435
Item#: 49660
Model#: 510350435
Brand: Weil-McLain
$733.89
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Honeywell Display Module
Learn More About Weil-McLain 510311026acw-sale-badge
Weil-McLain Hot Water High Temp Limit Control
Write a Review
Weil-McLain - Hot Water High Temperature Limit Control - 100-240 F - Manual Reset - 3/4" NPT - 510311026
Item#: 49662
Model#: 510311026
Brand: Weil-McLain
$115.38
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
4 In-Stock
Add To Cart
Weil-McLain Hot Water High Temp Limit Control
Learn More About Weil-McLain 510312041acw-sale-badge
Weil-McLain Hot Water High Temp Limit Control
Write a Review
Weil-McLain - Hot Water High Temperature Limit Control - 130-270 F - Manual Reset - 510312041
Item#: 49663
Model#: 510312041
Brand: Weil-McLain
$114.46
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
10 In-Stock
Add To Cart
Weil-McLain Hot Water High Temp Limit Control
Learn More About Weil-McLain 510312043acw-sale-badge
Weil-McLain Hot Water High Temperature Limit Control with Manual Reset
Write a Review
Weil-McLain - Hot Water High Temperature Limit Control - 100-240 F - 5-30 F Adjustable Differential - 510312043
Item#: 49664
Model#: 510312043
Brand: Weil-McLain
$133.47
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 2-5 Business Days
Add To Cart
Weil-McLain Hot Water High Temperature Limit Control with Manual Reset
Learn More About Weil-McLain 510312085acw-sale-badge
Weil-McLain 100-240 F Hot Water High Temperature Limit Control
Write a Review
Weil-McLain - Hot Water High Temperature Limit Control - 100-240 F - 510312085
Item#: 49665
Model#: 510312085
Brand: Weil-McLain
$175.00
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain 100-240 F Hot Water High Temperature Limit Control
Learn More About Weil-McLain 510312090acw-sale-badge
Weil-McLain Hot Water High Temperature Limit Control w/ Manual Reset
Write a Review
Weil-McLain - Hot Water High Temperature Limit Control - Operating Limit - Manual Reset - 510312090
Item#: 49666
Model#: 510312090
Brand: Weil-McLain
$229.00
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Hot Water High Temperature Limit Control w/ Manual Reset
Learn More About Weil-McLain 510312062acw-sale-badge
Weil-McLain 10-150 PSI Hot Water Pressure Control
Write a Review
Weil-McLain - Hot Water Pressure Control - 10-150 PSI - Manual Reset - 510312062
Item#: 49668
Model#: 510312062
Brand: Weil-McLain
$226.33
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain 10-150 PSI Hot Water Pressure Control
Learn More About Weil-McLain 510300007acw-sale-badge
Weil-McLain Hot Water Temperature Control with adjustable reset ratio
Write a Review
Weil-McLain - Hot Water Temperature Control - Indoor-Outdoor Reset Control - for Full Modulation Systems - 510300007
Item#: 49669
Model#: 510300007
Brand: Weil-McLain
$480.92
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Hot Water Temperature Control with adjustable reset ratio
Learn More About Weil-McLain 510312091acw-sale-badge
Weil-McLain Hot Water Low-High-Low Temperature Control
Write a Review
Weil-McLain - Hot Water Temperature Control - Operating Limit - Manual Reset - Low-High-Low Control - 510312091
Item#: 49670
Model#: 510312091
Brand: Weil-McLain
$270.78
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Hot Water Low-High-Low Temperature Control
Learn More About Weil-McLain 510312092acw-sale-badge
Weil-McLain Hot Water Temperature Control with 135 ohm control
Write a Review
Weil-McLain - Hot Water Temperature Control - Operating Limit - Manual Reset - 135 ohm Full Modulation Control - 510312092
Item#: 49671
Model#: 510312092
Brand: Weil-McLain
$376.56
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain Hot Water Temperature Control with 135 ohm control
Learn More About Weil-McLain 510312206acw-sale-badge
Weil-McLain 160-260 F Hot Water Temperature Modulating Control
Write a Review
Weil-McLain - Hot Water Temperature Modulating Control - 160-260 F - 3-30 F Adjustable Differential - 135 ohm Potentiometer - 510312206
Item#: 49672
Model#: 510312206
Brand: Weil-McLain
$218.33
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain 160-260 F Hot Water Temperature Modulating Control
Learn More About Weil-McLain 383300368acw-sale-badge
Weil-McLain LGB 11" Controls LP
Write a Review
Weil-McLain - 11" - Controls - Liquid Propane - for LGB-4/5 Boilers - 383300368
Item#: 49696
Model#: 383300368
Brand: Weil-McLain
$879.41
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain LGB 11" Controls LP
Learn More About Weil-McLain 383300370acw-sale-badge
Weil-McLain LGB 11" Controls LP
Write a Review
Weil-McLain - 11" - Controls - Liquid Propane - for LGB-6/7 Boilers - 383300370
Item#: 49697
Model#: 383300370
Brand: Weil-McLain
$1,585.31
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain LGB 11" Controls LP
Learn More About Weil-McLain 383300372acw-sale-badge
Weil-McLain LGB 11" Controls LP
Write a Review
Weil-McLain - 11" - Controls - Liquid Propane - for LGB-8/9 Boilers - 383300372
Item#: 49698
Model#: 383300372
Brand: Weil-McLain
$1,950.39
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain LGB 11" Controls LP
Learn More About Weil-McLain 383300374acw-sale-badge
Weil-McLain LGB 11" Controls LP
Write a Review
Weil-McLain - 11" - Controls - Liquid Propane - for LGB-10/11/12 Boilers - 383300374
Item#: 49699
Model#: 383300374
Brand: Weil-McLain
$2,217.46
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain LGB 11" Controls LP
Learn More About Weil-McLain 383300376acw-sale-badge
Weil-McLain LGB 11" Controls LP
Write a Review
Weil-McLain - 11" - Controls - Liquid Propane - for LGB-13 Boilers - 383300376
Item#: 49700
Model#: 383300376
Brand: Weil-McLain
$3,055.52
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain LGB 11" Controls LP
Learn More About Weil-McLain 383300378acw-sale-badge
Weil-McLain LGB 11" Controls LP
Write a Review
Weil-McLain - 11" - Controls - Liquid Propane - for LGB-14 Boilers - 383300378
Item#: 49701
Model#: 383300378
Brand: Weil-McLain
$2,937.74
Free Shipping
Learn More
Free Shipping
*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Low Price Guarantee
Learn More
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 7-14 Business Days
Add To Cart
Weil-McLain LGB 11" Controls LP