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the 1F72-151 is a hardwired unit that requires a 24VAC common (C) wire for operation
this assembly ensures consistent water volume and pressure
Whether you are servicing reach-in coolers or exhaust fans
Common Questions What is the purpose of the L50-10F designation
Raypak 011760F Air Switch Els PW 17895 the 1F72-151 is a hardwiredThe Raypak 011760F is a critical safety component engineered for precise airflow monitoring in high efficiency heating systems. This Vent Air Switch 2. 50" WC is designed to verify proper drafting and ventilation before allowing the combustion cycle to proceed. Calibrated at a fixed 2. 50 inches water column set point, this diaphragm actuated switch protects the heat exchanger from soot buildup and prevents hazardous flue gas leakage and backdrafting.
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