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factory-calibrated air flow proving switch designed for critical monitoring in duct heaters
which utilize different physical spring dimensions
Simplified Conversion: Included 1830-002 adapter eliminates the need for separate 2CH threaded or 2C snap-in components
built with high-temperature food-grade plastic to prevent warping or structural failure during continuous discharge
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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