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factory-calibrated air flow proving switch designed for critical monitoring in duct heaters
provided the physical dimensions fit the original mounting strap
allowing for superior solder flow in tight clearances
Common Questions Can I use a 440V MARS 12788 to replace a 370V 45/5 MFD capacitor
OEM-Grade Reliability: Features high-speed contact separation to minimize arcing and ensure a longer service life in high-cycle environments
Rheem-Ruud SP12766 Vacuum Switch Els PW 17895 factory-calibrated air flow proving switchThe Rheem Ruud SP12766 Vacuum Switch is an essential OEM assembly engineered for high accuracy pressure monitoring in Power Vent 2 water heaters and compatible HVAC systems. Constructed with a heavy duty housing and a highly responsive internal diaphragm, this vacuum pressure switch serves as a critical safety interlock, ensuring that the inducer fan is pulling a sufficient draft before allowing the combustion cycle to proceed. Designed specifically
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