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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Aprilaire - Model 80 - Steam Humidifier Canister - with O-ring - for Model 800 Steam Humidifiers
Item#: 23922
Model#: 80
Brand: Aprilaire
$94.99
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Subscription Eligible
*This product is Subscription Eligible and can be set up to auto-deliver filters to your home at a discounted price. You select the filter quality, delivery frequency, and quantity.
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tekmar - Classic Series - 090 - Snow/Ice Sensor - 65' Wire - For Use with tekmar Snow Melting Controls
Item#: 32469
Model#: 090
Brand: Tekmar
$846.00
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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.
Factory-Direct
tekmar - Performance Series - 654 - Snow Melting Control - Compatible with tekmarNet 4 - For Use with tekmarNet Electric or Hydronic Boiler/Mixing Systems
Item#: 32516
Model#: 654
Brand: Tekmar
$702.00
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Free Shipping
*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.
Factory-Direct
tekmar - 002 - 10K Temperature Simulator - For Use with tekmar Controls That Use a 10K Sensor Only
Item#: 32444
Model#: 002
Brand: Tekmar
$511.00
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Free Shipping
*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.
Factory-Direct
tekmar - 033 - Timer - Compatible with tekmarNet 2 and tekmarNet 4 - Programmable
Item#: 32452
Model#: 033
Brand: Tekmar
$262.00
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Free Shipping
*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.
Factory-Direct
tekmar - 073 - Slab Sensor - 40' Wire - For Use with Outdoor Snow Melting Slabs
Item#: 32457
Model#: 073
Brand: Tekmar
$204.00
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Free Shipping
*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.
Factory-Direct