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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Safety Verified: Monitors the combustion air pressure to prevent hazardous gas buildup and ensure proper exhaust
but thermal expansion protection is required
This 1/2 inch ODF check valve is engineered for high-capacity performance
mitigating the risk of high-resistance connections or arcing often associated with generic alternatives
Does this valve require an external sensing line
Lochinvar & A.O. Smith 100208328 Switch 320735-701 Safety Verified: Monitors the combustionThe Lochinvar & A. O. Smith 100208328 Switch is a mission critical HVAC rocker switch designed for high reliability performance in residential and light commercial hydration systems. Engineered specifically for Lochinvar boiler parts and A. O. Smith water heater applications, this 10A rated component serves as the primary manual interface for system power cycling and diagnostic overrides. As a veteran grade OEM replacement switch, it ensures seamless