Sensors & Control Accessories

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A warranty is a safeguard from defects in manufacturing and can vary in length and terms. Some manufacturers require registration for extended warranty benefits, be sure to check out features and the warranty document. To see the manufacturer's warranty statement, click on the Manuals tab.
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tekmar - Classic Series - 360 - Mixing Control - Outdoor Temperature Reset - Floating Action
Item#: 32498
Model#: 360
Brand: Tekmar
$671.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - Classic Series - 361 - Mixing Control - Outdoor Temperature Reset - Variable Speed
Item#: 32499
Model#: 361
Brand: Tekmar
$742.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - Classic Series - 374 - Universal Reset Control - Outdoor Temperature Reset - Two Mixing - Two Stage Boiler - Domestic Hot Water - Setpoint
Item#: 32500
Model#: 374
Brand: Tekmar
$1,548.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - Performance Series - 402 - House Control - Compatible with tekmarNet 2 - Four Zone Valves - Outdoor Temperature Reset - Boiler - DHW - Setpoint - Mixing
Item#: 32501
Model#: 402
Brand: Tekmar
$909.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - Performance Series - 403 - House Control - Compatible with tekmarNet 2 - Four Zone Pumps - Outdoor Temperature Reset - Boiler - DHW - Setpoint - Mixing
Item#: 32502
Model#: 403
Brand: Tekmar
$1,011.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - Performance Series - 406 - House Control - Compatible with tekmarNet 2 - Four Zone Valves - Outdoor Temperature Reset - Heat Pump - Backup
Item#: 32503
Model#: 406
Brand: Tekmar
$1,420.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - Designer Series - 422 - Universal Reset Module - Compatible with tekmarNet 4 - Outdoor Temperature Reset - Mixing - Boiler - DHW - Setpoint
Item#: 32505
Model#: 422
Brand: Tekmar
$1,005.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - Designer Series - 423 - Universal Reset Module - Compatible with tekmarNet 4 - Outdoor Temperature Reset - Two Boilers - Domestic Hot Water - Setpoint
Item#: 32506
Model#: 423
Brand: Tekmar
$1,034.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - Designer Series - 444 - Mixing Expansion Module - Compatible with tekmarNet 4 - Variable Speed/Floating Action/Modulating - For Use with tekmarNet Thermostats
Item#: 32508
Model#: 444
Brand: Tekmar
$484.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - 480 - User Switch - Compatible with tekmarNet 2 and tekmarNet 4 - Three Inputs - Programmable - For Use with tekmarNet Thermostats Only
Item#: 32510
Model#: 480
Brand: Tekmar
$258.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - 482 - Gateway - Compatible with tekmarNet 2 and tekmarNet 4 - RS232 for Home Automation Systems
Item#: 32512
Model#: 482
Brand: Tekmar
$1,358.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - M3061 - Mixing Valve Adapter Kit - For Mounting a tekmar M3062 Belimo Actuator to Cast-Iron Valves
Item#: 32548
Model#: M3061
Brand: Tekmar
$375.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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tekmar - M3062 - Belimo Actuator - GMB24-3 - 40 Newton Meter of Torque - For Cast-Iron Valves
Item#: 32549
Model#: M3062
Brand: Tekmar
$703.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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