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HVAC Control Systems

145 products

Showing 25 - 48 of 145 products

Showing 25 - 48 of 145 products
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Tekmar 557 TekmarNet Thermostat - Radiant Floor - 2 Heat Pump/Cool - Backup - Humidity
Tekmar Tekmar 557 TekmarNet Thermostat - Radiant Floor - 2 Heat Pump/Cool - Backup - Humidity
$663.99 USD
No reviews
Tekmar 072 Slab Sensor - 20' (6 m) Wire
Tekmar Tekmar 072 Slab Sensor - 20' (6 m) Wire
$144.99 USD
No reviews
Tekmar 654 Snow Melt Control - TekmarNet Electric or Hydronic Boiler / Mixing
Tekmar Tekmar 654 Snow Melt Control - TekmarNet Electric or Hydronic Boiler / Mixing
$783.99 USD
No reviews
In Stock
Tekmar 561 Thermostat Wi-Fi One Stage Heat
Tekmar Tekmar 561 Thermostat Wi-Fi One Stage Heat
$357.99 USD
No reviews
In Stock
Honeywell V8043C1033/U Zone Valve 24V 3/8" Flare N.C
Honeywell Honeywell V8043C1033 Zone Valve 24V 3/8" Flare N.C
$154.99 USD
No reviews
Honeywell TH1110DV1009/U Thermostat Pro 1000 Non Programmable
Honeywell Honeywell TH1110DV1009 Thermostat Pro 1000 Non Programmable
$41.99 USD
No reviews
Honeywell TH1100DH1004/U Thermostat Pro 1000 Non Programmable
Honeywell Honeywell TH1100DH1004 Thermostat Pro 1000 Non Programmable
$41.99 USD
No reviews
Vanee 41303 Advanced Touch Screen Control
Vanee Vanee 41303 Advanced Touch Screen Control
$199.99 USD
No reviews
Belimo B218 Characterized Control Valve (CCV), 3/4", 2-way, Cv 7.4
Belimo Belimo B218 Characterized Control Valve (CCV), 3/4", 2-way, Cv 7.4
$123.99 USD
No reviews
Belimo B215 Characterized Control Valve (CCV), 1/2", 2-way, Cv 10
Belimo Belimo B215 Characterized Control Valve (CCV), 1/2", 2-way, Cv 10
$85.99 USD
No reviews
Tekmar 406 TEKNET - tN2 House Control - Heat Pump & Backup - Four Zone Valves
Tekmar Tekmar 406 TEKNET - tN2 House Control - Heat Pump & Backup - Four Zone Valves
$1,526.99 USD
No reviews
Tekmar 401 TEKNET - tN2 House Control - Boiler - DHW & Setpoint - Four Zone Pumps
Tekmar Tekmar 401 TEKNET - tN2 House Control - Boiler - DHW & Setpoint - Four Zone Pumps
$914.99 USD
No reviews
Tekmar 315 TEKNET - tN4 Wiring Center - Six Zone Valves
Tekmar Tekmar 315 TEKNET - tN4 Wiring Center - Six Zone Valves
$339.99 USD
No reviews
Tekmar 313 TEKNET - tN2 Wiring Center - Four Zone Valves
Tekmar Tekmar 313 TEKNET - tN2 Wiring Center - Four Zone Valves
$410.99 USD
No reviews
Copy of Tekmar 564B Thermostat Black Invita® WiFi
Tekmar Tekmar 564B Thermostat Black Invita® WiFi [DISCONTINUED]
$397.99 USD
No reviews
Sold Out or Discontinued
Tekmar 274 Control - One tN4 - Four Stage Boiler & Domestic Hot Water / Setpoint
Tekmar Tekmar 274 Control - One tN4 - Four Stage Boiler & Domestic Hot Water / Setpoint
$1,287.99 USD
No reviews
Sold Out or Discontinued
Tekmar 161 Control - TekmarNet® 4 Setpoint - One Stage Heat
Tekmar Tekmar 161 Control - TekmarNet® 4 Setpoint - One Stage Heat
$304.99 USD
No reviews
Sold Out or Discontinued
Tekmar 132 Control - Pump Sequencer Stand By / 2-Stage
Tekmar Tekmar 132 Control - Pump Sequencer Stand By / 2-Stage
$928.99 USD
No reviews
Emerson 1C20-101 Economy Mechanical Thermostat
Emerson Emerson 1C20-101 Economy Mechanical Thermostat
$34.99 USD
No reviews
Tekmar 004 Relay 120V (ac) Coil
Tekmar Tekmar 004 Relay 120V (ac) Coil
$78.99 USD
No reviews
In Stock
Tekmar 301P Relay Switching One Zone
Tekmar Tekmar 301P Relay Switching One Zone
$112.99 USD
No reviews
Tekmar 302P Relay Switching Two Zones With Priority
Tekmar Tekmar 302P Relay Switching Two Zones With Priority
$244.99 USD
No reviews
Honeywell C7735A1000 Discharge Air Temperature Sensor - DATSHoneywell C7735A1000 Discharge Air Temperature Sensor - DATS
Honeywell Honeywell C7735A1000 Discharge Air Temperature Sensor - DATS
$99.99 USD
No reviews
Honeywell HZ311/U TRUZONE Zone Control Wireless Panel
Honeywell Honeywell HZ311 TRUZONE Zone Control Wireless Panel
$209.99 USD
No reviews

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