Boiler Controls

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Keep your boiler running efficiently with the proper boiler controls. We carry a wide selection of boiler controls, including reset controls, aquastats, and much more. Let our experts help you find the perfect boiler controls today.
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Model Number 263 is a Hot Seller
tekmar - Classic Series - 263 - Boiler Control - Outdoor Temperature Reset - Two Stage or One Modulating Boiler - Domestic Hot Water - Setpoint
Model 263 is a Closeout
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$799.00
Was 
$874.00
SAVE $75.00
Only 1 In-Stock
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Model Number 3150 is the Number 1 Seller
Hydrolevel HydroStat 3150 Universal Temperature Limit and Low Water Cut-Off for Oil-Fired Boilers, 120 VAC
$164.00
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Model Number 3250 is the Number 2 Seller
Hydrolevel HydroStat 3250 Universal Temperature Limit, Boiler Reset and Low Water Cut-Off for Oil-Fired Boilers, 120 VAC
9% Buy This
$166.00
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Model Number 9300-2714RP is the Number 3 Seller
Taco - 9300-2714RP - Replacement Wiring Harness - For Taco Series LTR Low Water Cutoffs
$19.00
Factory-Direct
Buderus - 5016598 - Mixing Valve Module - For Logamatic 2107 Control
$304.00
Factory-Direct
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Hydrolevel EW-205 Electro-Well Low Water Cut-Off Probe, Extra Short Insertion Length - 3/4" NPT
$21.00
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Hydrolevel EL1220 Low Water Cut-Off Probe, Standard - 1/2" NPT
$58.00
Factory-Direct
White Rodgers 1131-102 Well Immersion Single Control, SPDT Switch, 100-240 F Range
$129.00
Factory-Direct
Buderus - 7738003451 - 12" - Universal Sensor - For G315 Dual Fuel Boilers
$25.00
Factory-Direct
Buderus - LON4KIT - LON Gateway - For Logamatic 4321 and 4323 Controllers
$2,635.00
Factory-Direct
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*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 may apply, see our full shipping policy for more details.
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Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Buderus - 5991368 - Flue Gas Temperature Sensor - For Logamatic 4321 and 4323
$165.00
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Buderus - 7747011958 - Remote Control - MEC2 - For Logamatic 4321 and 4323
$339.00
Factory-Direct
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Buderus - 5097580 - Side Mounting Support - For Logamatic 4321 and 4323
$485.00
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Buderus - 7747029413 - Temperature Display Module - For Logamatic 4321 and 4323
$129.00
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Weil-McLain - BSC - 0-10V Output Card - 389900232
$228.11
Factory-Direct
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Weil-McLain - BSC - 0-135 ohm Output Card - 389900233
$228.11
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Weil-McLain - Indoor/Outdoor Operating Control - 6-20 F Adjustable Differential - 511624622
$316.11
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Weil-McLain - MBC 4-20-ma - Input Module - 389900226
$474.44
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Weil-McLain - Pressure Sensor Assembly - 511624643
$511.16
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Weil-McLain - Sequencing and Modulating Control - with BacNET - 389900228
$8,056.80
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*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 may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
2% Check Discount
Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Weil-McLain - Steam Pressure Modulating Control - 0-15 PSI - 1-12 PSI Adjustable Differential - 135 ohm Potentiometer - 510712121
$330.33
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*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 may apply, see our full shipping policy for more details.