HVAC Control Systems
144 products
Showing 1 - 24 of 144 products
Showing 1 - 24 of 144 products
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![Tekmar 519 Thermostat One Stage Heat With 079 Sensor](http://masterbuildermercantile.ca/cdn/shop/products/tekamr519.png?v=1607119617&width=605)
Tekmar
Tekmar 519 Thermostat One Stage Heat With 079 Sensor
Sale Price$159.99 CAD
No reviews
In Stock![Tekmar 563 Thermostat - Conventional 2H/2C or Heat Pump 4H/2C](http://masterbuildermercantile.ca/cdn/shop/files/5631A.png?v=1709331654&width=800)
![Tekmar 563 Thermostat - Conventional 2H/2C or Heat Pump 4H/2C](http://masterbuildermercantile.ca/cdn/shop/files/5632A.png?v=1709331655&width=800)
Tekmar
Tekmar 563 Thermostat - Conventional 2H/2C or Heat Pump 4H/2C
Sale Price$597.99 CAD
No reviews
![Tekmar 553 TekmarNet Thermostat - Two Stage Heat - One Stage Cool - Fan](http://masterbuildermercantile.ca/cdn/shop/products/tekmar553.png?v=1621539467&width=600)
Tekmar
Tekmar 553 TekmarNet Thermostat - Two Stage Heat - One Stage Cool - Fan
Sale Price$526.99 CAD
No reviews
![Tekmar 561 Thermostat Wi-Fi One Stage Cool and Fan](http://masterbuildermercantile.ca/cdn/shop/products/tekmar561_b4e45a4e-ccff-404a-8b2f-1f2713c3d1b5.png?v=1611786942&width=600)
Tekmar
Tekmar 562 Thermostat Wi-Fi Two Stage Heat, One Stage Cool and Fan
Sale Price$550.99 CAD
No reviews
![Tekmar 521 Thermostat Programmable - Two Heat or Heat-Cool (Includes Sensor 079)](http://masterbuildermercantile.ca/cdn/shop/products/tekmar521.png?v=1607447234&width=603)
Tekmar
Tekmar 521 Thermostat Programmable - Two Heat or Heat-Cool (Includes Sensor 079)
Sale Price$240.99 CAD
No reviews
![Belimo B225 Characterized Control Valve (CCV), 1", 2-way, Cv 30](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB225.png?v=1686237584&width=599)
Belimo
Belimo B225 Characterized Control Valve (CCV), 1", 2-way, Cv 30
Sale Price$163.99 CAD
No reviews
![Tekmar 654 Snow Melt Control - TekmarNet Electric or Hydronic Boiler / Mixing](http://masterbuildermercantile.ca/cdn/shop/products/tekmar654.png?v=1607447197&width=600)
Tekmar
Tekmar 654 Snow Melt Control - TekmarNet Electric or Hydronic Boiler / Mixing
Sale Price$954.99 CAD
No reviews
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