Thermostats & Controls
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Weil-McLain - BMC - Hot Water Modulating Control - Four Stage - 389900224
$2,422.00
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Buderus - 18358 - 0-10v Signal - Modulating Control - EM10 - For GB142 and GB162 Boilers
$297.00
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Buderus - 7746900845 - Cascade Module - MCM10 - For GB142 and GB162 Boilers
$939.00
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Buderus - 5016598 - Mixing Valve Module - For Logamatic 2107 Control
$358.00
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Buderus - 5016602 - Modulating Firing Module - For Logamatic 2107 Control
$246.00
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Watts Radiant - P-2332 - 6-Zone - Zone Valve Controller - Slave - Order Number: 81005191
Hydrolevel HydroStat 3150 Universal Temperature Limit and Low Water Cut-Off for Oil-Fired Boilers, 120 VAC
$212.00
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Hydrolevel HydroStat 3200 Universal Temperature Limit, Boiler Reset and Low Water Cut-Off for Gas-Fired Boilers, 24 VAC
$239.00
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Hydrolevel EW-204 Electro-Well Low Water Cut-Off Probe, Long Nut, Short Insertion Length - 3/4" NPT
Hydrolevel EW-205 Electro-Well Low Water Cut-Off Probe, Extra Short Insertion Length - 3/4" NPT
ecobee - EB-EMSSi-01 - Internet Enabled Energy Management System - 2 Heating/2 Cooling - 7-Day Programmable - Built in WiFi - Smart Phone App Controlled
$399.00
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tekmar - Classic Series - 150 - Setpoint Control - One Stage
$234.00
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tekmar - Classic Series - 152 - Setpoint Control - Two Stage or Heat and Cool
$316.00
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tekmar - Classic Series - 356 - Mixing Control - Outdoor Temperature Reset - Variable Speed
$393.00
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tekmar - Classic Series - 360 - Mixing Control - Outdoor Temperature Reset - Floating Action
$671.00
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tekmar - Classic Series - 361 - Mixing Control - Outdoor Temperature Reset - Variable Speed
$742.00
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tekmar - Designer Series - 422 - Universal Reset Module - Compatible with tekmarNet 4 - Outdoor Temperature Reset - Mixing - Boiler - DHW - Setpoint
$1,005.00
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tekmar - Designer Series - 326 - Zone Expansion Module - Compatible with tekmarNet 4 - Three Zone Pumps - For Use with tekmarNet 4 or Stand-Alone Thermostats
$240.00
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tekmar - Designer Series - 336 - Zone Manager - Compatible with tekmarNet 4 - Four Zone Pumps - For Use with tekmarNet 4 or Stand-Alone Thermostats
$516.00
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tekmar - 071 - Universal Sensor - 1' Wire
tekmar - 072 - Slab Sensor - 20' Wire - For Use with Outdoor Snow Melting Slabs
tekmar - 079 - Slab Sensor - 10' Wire - For Use with Floor Heating Applications
Displaying Products 433 - 456 (of 533)
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Keep your home comfort system working the way that's right for you with specialized thermostats and controls. Whether you're updating an old control, replacing a thermostat, or building a new system, we have the right parts for you.