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PRO 3000 Non-Programmable Thermostat, 1H/1C Conv. or 1H/1C Heat Pump -33%

PRO 3000 Non-Programmable Thermostat, 1H/1C Conv. or 1H/1C Heat Pump

Honeywell TH3110D1008 PRO3000 series is a digital non-programmable thermostat for 1-stage heat/1-sta..

$ 53.38 $ 35.95

R845A1030 Honeywell Switching Relay, DPST, R845A -10%

R845A1030 Honeywell Switching Relay, DPST, R845A

The R845A1030 from Honeywell is a Switching Relay, DPST. It provides intermediate switching of a lin..

$ 110.44 $ 98.95

R8845U1003 Honeywell Universal Switching Relay, SPST, R8845U -13%

R8845U1003 Honeywell Universal Switching Relay, SPST, R8845U

The R8845U1003 from Honeywell is a Universal Switching Relay with internal transformer. This switchi..

$ 87.72 $ 75.95

RA89A1074 Honeywell Switching Relay, SPST, RA89A -14%

RA89A1074 Honeywell Switching Relay, SPST, RA89A

The RA89A1074 from Honeywell is a 1 Zone Switching Relay with internal transformer. It provides inte..

$ 92.44 $ 79.95

Replacement Head for V8043F Zone Valves -11%

Replacement Head for V8043F Zone Valves

Honeywell 40003916-048 is a Replacement Head for V Series Zone Valve (V8043F), With End Switch. ..

$ 89.53 $ 79.95

Round Mechanical Thermostat, 1H/1C Conv. or 1H/1C Heat Pump

Honeywell T87N "The Round" mechanical thermostat is a 1 Heat / 1 Cool conventional or single-stage 1..

$ 69.64

Round Mechanical Thermostat, Heat Only -12%

Round Mechanical Thermostat, Heat Only

Honeywell T87K "The Round" is a world-famous, timeless classic thermostat that is a pinnacle of simp..

$ 47.59 $ 41.95

T10 Pro Smart Programmable Wi-Fi Thermostat w/ Sensor, Conventional 2H/2C or Heat Pump 3H/2C + Aux. Heat

Honeywell/Resideo THX321WFS2001W is a top of the line programmable color touchscreen thermostat with..

$ 267.90

T10 Pro Smart Programmable Wi-Fi Thermostat, Conventional 2H/2C or Heat Pump 3H/2C + Aux. Heat

Honeywell/Resideo THX321WF2003W is a top of the line programmable color touchscreen thermostat with ..

$ 234.42

T3 Pro Non-Programmable Thermostat, 1H/1C Conventional or 1H/1C Heat Pump --6%

T3 Pro Non-Programmable Thermostat, 1H/1C Conventional or 1H/1C Heat Pump

Honeywell/Resideo TH3110U2008 T3 Pro series is the newly re-designed version of Honeywell''s PRO 300..

$ 33.85 $ 35.95

T4 Pro Programmable Thermostat, 1H/1C Conventional or 1H/1C Heat Pump -14%

T4 Pro Programmable Thermostat, 1H/1C Conventional or 1H/1C Heat Pump

Honeywell/Resideo TH4110U2005 is a programmable digital thermostat designed for 1-stage heat/1-stage..

$ 55.46 $ 47.95

T4 Pro Programmable Thermostat, 1H/1C Conventional or 2H/1C Heat Pump + Aux. Heat

Honeywell/Resideo TH4210U2002 is a programmable digital thermostat designed for 1-stage heat/1-stage..

$ 67.04

T6 Pro Hydronic Programmable Thermostat w/ Floor Slab Sensor, Heat Only -13%

T6 Pro Hydronic Programmable Thermostat w/ Floor Slab Sensor, Heat Only

Honeywell/Resideo TH6100AF2004 is a programmable digital thermostat designed for hydronic (hot water..

$ 120.28 $ 104.95

T6 Pro Programmable Thermostat, 1H/1C Conventional or 2H/1C Heat Pump -11%

T6 Pro Programmable Thermostat, 1H/1C Conventional or 2H/1C Heat Pump

Honeywell/Resideo TH6210U2001 is a programmable digital thermostat designed for 1-stage heat/1-stage..

$ 79.12 $ 70.65

T6 Pro Programmable Thermostat, 2H/2C Conventional or 2H/1C Heat Pump + Aux. Heat -12%

T6 Pro Programmable Thermostat, 2H/2C Conventional or 2H/1C Heat Pump + Aux. Heat

Honeywell/Resideo TH6220U2000 is a programmable digital thermostat designed for up to 2-stage heat/2..

$ 106.81 $ 93.95

T6 Pro Programmable Thermostat, 2H/2C Conventional or 3H/2C Heat Pump + Aux. Heat -18%

T6 Pro Programmable Thermostat, 2H/2C Conventional or 3H/2C Heat Pump + Aux. Heat

Honeywell/Resideo TH6320U2008 is a programmable digital thermostat designed for up to 2-stage heat/2..

$ 120.67 $ 98.95

T6 Pro Smart Wi-Fi Programmable Thermostat, 2H/2C Conventional or 2H/1C Heat Pump + Aux. Heat -13%

T6 Pro Smart Wi-Fi Programmable Thermostat, 2H/2C Conventional or 2H/1C Heat Pump + Aux. Heat

Honeywell/Resideo TH6220WF2006 is a programmable, Wi-Fi enabled touchscreen thermostat designed for ..

$ 147.64 $ 127.95

T6 Pro Smart Wi-Fi Programmable Thermostat, 2H/2C Conventional or 3H/2C Heat Pump + Aux. Heat -33%

T6 Pro Smart Wi-Fi Programmable Thermostat, 2H/2C Conventional or 3H/2C Heat Pump + Aux. Heat

Honeywell/Resideo TH6220WF2006 is a programmable, Wi-Fi enabled touchscreen thermostat designed for ..

$ 198.77 $ 133.95

T6 Pro Z-Wave Programmable Thermostat, 2H/2C Conventional or 3H/2C Heat Pump + Aux. Heat

Honeywell TH6320ZW2003 programmable thermostat is a Z-Wave Plus certified thermostat designed to wor..

$ 146.21

TH401 Digital Line Voltage Thermostat SPST, Electric Heat Only, 120/240V, 2500W

Resideo (formerly Honeywell/Aube) TH401 model is a digital line voltage SPST thermostat designed for..

$ 35.97