St Croix Pressure/Vacuum Switch

Product Note This new style vacuum switch has two fittings, one positive and one negative pressure. For models manufactured in 2004 to current, the vacuum hose must be connected to the negative fitting. Markings will be indicated by the nozzles. Function Air Pressure Vacuum Switch senses pressure in the firebox and exhaust. This switch will shut down the auger motor if it senses a safety issue and/or if it is faulty. Included Vacuum Switch Only. Tubing sold separate.