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This bakelite back adaptor is specifically designed to facilitate the transition of single-temperature vertical instruments
Whether you are servicing reach-in coolers or exhaust fans
this enclosed time delay relay provides the rugged durability needed for demanding contractor environments
maintaining the integrity of your HVAC system's static pressure and preventing air bypass
Raypak 011760F Air Switch Els PW 17895 This bakelite back adaptor isThe 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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