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Hearth & Home Technologies

Vacuum Switch

Mfg.# SRV7000-531
Sku# 8820821
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*Estimated stock levels as of Wed, Sep 20, 2017. All items subject to prior sale. Please call ahead to verify.

The vacuum pressure switch allows the auger to run provided that there is enough negative pressure. This switch is build to detect very slight amounts of vacuum and could stop working accurately because of mechanical defects. On a call for heat, the auger feeds pellets only if the vacuum switch detects a sufficient vacuum and the high limit disc #2 is closed.