Sensors & Control Accessories

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tekmar - Classic Series - 518 - Thermostat - Non-Programmable - One Stage Heat
13% Buy This
tekmar - 012 - Adaptor Plate - For Enclosure S
7% Buy This
tekmar - M3023 - 2-1/2" - Seal Kit - For Cast-Iron Valves
7% Buy This
tekmar - M3024 - 3" to 4" - Seal Kit - For Cast-Iron Valves
7% Buy This
tekmar - M3056 - 3/4" to 1-1/4" - O-Ring Kit - For tekmar Brass Mixing Valves
7% Buy This
Buderus - 7746900845 - Cascade Module - MCM10 - For GB142 and GB162 Boilers
7% Buy This
$967.00
Factory-Direct
Free Shipping
Burnham - Low-Water Cut-Off Option Card Kit - Manual Reset - For Burnham ES2, ESC, MPO-IQ, and Series 3 Hot Water Boilers - MPN: 102714-01
7% Buy This
$264.00
Factory-Direct
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Hydrolevel HydroStat 3200 Universal Temperature Limit, Boiler Reset and Low Water Cut-Off for Gas-Fired Boilers, 24 VAC
7% Buy This
$292.00
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Weil-McLain - Outdoor Temperature Sensor Kit - For Weil-McLain GV90+, CGi, CGa, and EG-W Hot Water Boilers - MPN: 381356586
7% Buy This
Weil-McLain - Hot Water High Temperature Limit Control - 130-270 F - Manual Reset - 510312041
7% Buy This
$224.00
In-Stock
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tekmar - 521 - Thermostat - 7-Day Programmable - Two Stage Heat or One Stage Heat/ One stage Cool - Buttons
7% Buy This
7% Buy This
$387.00
In-Stock
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Taco - SR504-4 - Zone Switching Relay - Four Zones - 1 Priority Zone
7% Buy This
$231.23
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Taco - SR501-4 - Zone Switching Relay - One Zone
Burnham Alpine Alp Boilers RJ Cable Splitter
$278.00
In-Stock
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$572.00
In-Stock
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tekmar - Designer Series - 346 - Power Manager - Compatible with tekmarNet 4 - Three Auxiliary Pumps - Four Demands
$824.00
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