Top quality aftermarket replacement HHT Vacuum Switch. This vacuum switch is the correct replacement for Heatilator Eco-Choice, Danson PelPro, Pleasant Hearth, and Quadra-Fire pellet stove and insert models. Please review our models spec tab to verify correct replacement. Also referred to as the pressure switch or differential switch, the vacuum switch senses pressure in the firebox and exhaust flue vent pipe. The vacuum switch is in-line with the auger feed motor and will not allow the auger motor to run if it is tripped or faulty. Any air losses or air blockages can trip the vacuum switch. When experiencing issues with this safety switch, check the following: Vacuum switch hose/tubing, firebox door and ash door gasket seals, ash accumulation in the stove or venting, air intake channel, combustion blower/exhaust fan functionality. This vacuum switch replaces the following factory part numbers SRV7000-166, 812-3430, 812-1990, SRV7000-447, and SRV7000-531.
Top Quality Aftermarket Replacement
Differential Vacuum Pressure Switch, Includes Both Hoses
Guaranteed Newest Stock Inventory
1 Year Manufacturer Warranty
Part Numbers: Replaces SRV7000-166, 812-3430, 812-1990, SRV7000-447, and SRV7000-531.
Function: Senses air flow/restriction within the firebox, exhaust chamber, vent pipe and fuel hopper on select models. If proper air flow/draft is not met this switch will trip and not allow the auger motor to operate. This is a safety sensor. Hose/Tubing included; requires 5/32" ID hose, factory part number SRV240-0450.
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