HVAC Control Systems
144 products
Showing 49 - 72 of 144 products
Showing 49 - 72 of 144 products
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![Honeywell TH1110DV1009/U Thermostat Pro 1000 Non Programmable](http://masterbuildermercantile.ca/cdn/shop/products/th1110dv1009.png?v=1607119659&width=600)
Honeywell
Honeywell TH1110DV1009 Thermostat Pro 1000 Non Programmable
Sale Price$58.99 CAD
No reviews
![Honeywell YTH6320R1001/U Thermostat Wireless Programmable FocusPro Kit](http://masterbuildermercantile.ca/cdn/shop/products/yth6320r1001_2.png?v=1607119646&width=600)
Honeywell
Honeywell YTH6320R1001 Thermostat Wireless Programmable FocusPro Kit
Sale Price$564.99 CAD
No reviews
![Honeywell TH8320R1003/U Thermostat VisionPro 8000 With Redlink](http://masterbuildermercantile.ca/cdn/shop/products/th8320r1003.png?v=1607119644&width=600)
Honeywell
Honeywell TH8320R1003 Thermostat VisionPro 8000 With Redlink
Sale Price$412.99 CAD
No reviews
![Belimo B240 Characterized Control Valve (CCV), 1-1/2", 2-way, Cv 37](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB240.png?v=1686333293&width=599)
Belimo
Belimo B240 Characterized Control Valve (CCV), 1-1/2", 2-way, Cv 37
Sale Price$177.99 CAD
No reviews
![Belimo B239 Characterized Control Valve (CCV), 1-1/2", 2-way, Cv 29](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB239.png?v=1686332977&width=599)
Belimo
Belimo B239 Characterized Control Valve (CCV), 1-1/2", 2-way, Cv 29
Sale Price$176.99 CAD
No reviews
![Belimo B232 Characterized Control Valve (CCV), 1-1/4", 2-way, Cv 37](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB232.png?v=1686331196&width=599)
Belimo
Belimo B232 Characterized Control Valve (CCV), 1-1/4", 2-way, Cv 37
Sale Price$172.99 CAD
No reviews
![Belimo B230 Characterized Control Valve (CCV), 1-1/4", 2-way, Cv 19](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB230.png?v=1686237922&width=599)
Belimo
Belimo B230 Characterized Control Valve (CCV), 1-1/4", 2-way, Cv 19
Sale Price$155.99 CAD
No reviews
![Belimo B223 Characterized Control Valve (CCV), 1", 2-way, Cv 10](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB223.png?v=1686237313&width=599)
Belimo
Belimo B223 Characterized Control Valve (CCV), 1", 2-way, Cv 10
Sale Price$166.99 CAD
No reviews
![Belimo B221 Characterized Control Valve (CCV), 3/4", 2-way, Cv 24](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB221.png?v=1686176582&width=599)
Belimo
Belimo B221 Characterized Control Valve (CCV), 3/4", 2-way, Cv 24
Sale Price$184.99 CAD
No reviews
![Belimo B220 Characterized Control Valve (CCV), 3/4", 2-way, Cv 14](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB220.png?v=1686176213&width=599)
Belimo
Belimo B220 Characterized Control Valve (CCV), 3/4", 2-way, Cv 14
Sale Price$181.99 CAD
No reviews
![Belimo B218 Characterized Control Valve (CCV), 3/4", 2-way, Cv 7.4](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB218.png?v=1686175728&width=599)
Belimo
Belimo B218 Characterized Control Valve (CCV), 3/4", 2-way, Cv 7.4
Sale Price$173.99 CAD
No reviews
![Belimo B213 Characterized Control Valve (CCV), 1/2", 2-way, Cv 4.7](http://masterbuildermercantile.ca/cdn/shop/files/BELIMOB213.png?v=1686158430&width=599)
Belimo
Belimo B213 Characterized Control Valve (CCV), 1/2", 2-way, Cv 4.7
Sale Price$137.99 CAD
No reviews
![FAST-STAT Model 3000 HVAC Wiring Extender - Adds x2 Control Wires](http://masterbuildermercantile.ca/cdn/shop/files/FAST-STAT-3000-2.png?v=1701211846&width=800)
![FAST-STAT Model 3000 HVAC Wiring Extender - Adds x2 Control Wires](http://masterbuildermercantile.ca/cdn/shop/files/FAST-STAT-3000-1.png?v=1701211846&width=800)
FAST-STAT
FAST-STAT Model 3000 HVAC Wiring Extender - Adds x2 Control Wires
Sale Price$149.99 CAD
No reviews
In Stock![Tekmar 441 TEKNET - Mixing Expansion Module - Actuating Motor](http://masterbuildermercantile.ca/cdn/shop/products/tekmar441.png?v=1622142833&width=600)
Tekmar
Tekmar 441 TEKNET - Mixing Expansion Module - Actuating Motor [DISCONTINUED - REPLACED WITH 444]
Sale Price$1,042.99 CAD
No reviews
Contact for Availability![Tekmar 423 TEKNET - Universal Reset Module - Four tN4 - Two Boiler - DHW & Setpoint](http://masterbuildermercantile.ca/cdn/shop/products/tekmar423.png?v=1622142145&width=600)
Tekmar
Tekmar 423 TEKNET - Universal Reset Module - Four tN4 - Two Boiler - DHW & Setpoint
Sale Price$1,437.99 CAD
No reviews
![Tekmar 422 TEKNET - Universal Reset Module - Two tN4 - Mixing - Boiler - DHW & Setpoint](http://masterbuildermercantile.ca/cdn/shop/products/tekmar422.png?v=1622141728&width=600)
Tekmar
Tekmar 422 TEKNET - Universal Reset Module - Two tN4 - Mixing - Boiler - DHW & Setpoint
Sale Price$1,373.99 CAD
No reviews
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