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Specifically designed for the TWA-V series
Typical indicators include erratic LED diagnostic codes
The unit features direct spark ignition (DSI) for reliable industrial-grade starts and is housed in a durable die-cast aluminum frame to ensure precise component alignment
including AE-1157-E and AE1157E-679-A4
water in the pressure tubing
Lochinvar & A.O. Smith 100187876 Valve R-407A Specifically designed for the TWA-VThe Lochinvar & A. O. Smith 100187876 Valve is a critical OEM replacement gas valve designed for high efficiency commercial water heaters and boilers. This dual fuel gas valve assembly is engineered for precision modulation of both natural gas and liquid propane (LP), ensuring stoichiometric combustion across varying demand loads. Specifically optimized for the Lochinvar Knight and A. O. Smith Cyclone BTH, SUF, and HCG Series 200 models, this 3 4 inch
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