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Optimized Flow: Restores factory-standard flow characteristics (5
What are the symptoms of a failing 920673A expansion valve
Simplified Installation: Designed as a direct drop-in replacement to reduce labor time during gas burner repair and maintenance calls
ensuring you have the reach required for varied field configurations
Always verify the shell model before installation to ensure a proper seal
Lochinvar & A.O. Smith 100288429 Switch R-134A Optimized Flow: Restores factory-standard flowThe Lochinvar & A. O. Smith 100288429 Switch is a critical safety component designed for precise air pressure sensing in high efficiency heating systems. This OEM replacement part is factory calibrated to a 3. 90" water column (WC) set point, serving as a primary air proving switch to ensure the blower motor is moving sufficient combustion air before the ignition sequence begins. Engineered for compatibility with specific Lochinvar boilers and A. O.
US$ 125.00
US$ 597.50
US$ 149.00
US$ 49.00
