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Fan & Limit Controls

Available1 product
Fan and limit controls dictate when the blower fan operates to ensure furnace systems run efficiently and safely. They feature a temperature sensor that can turn off the burner or furnace if temperatures exceed safe limits. They come in several different form factors that allow for installation in several places throughout the heating system.
Brand

Surface Mount Limit Controls

Surface Mount Limit Controls
Surface mount limit controls provide fail-safe controls for temperatures above the safety limit. They operate using temperature-sensitive metals that change shape and disconnect the connected circuit when the trigger temperature is reached. They are installed on flat surfaces using two mounting holes and fasteners to hold them in place. Depending on their configuration, their trigger temperature can be fixed or adjusted, and their reset can be manual or automatic. They are commonly used as protection devices to turn systems on or off when temperatures exceed or drop below their setpoint.

Limit Control

Automatic Reset

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Manual Reset

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Adjustable Limit Control

Automatic Reset

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Limit Control with Fan Bypass

Automatic Reset

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