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this assembly ensures precise control of exhaust flow and prevents backdrafting in commercial and heavy-duty residential water heating applications
Common Questions: Which refrigerant types are compatible with this coil
Its durable construction resists corrosion in harsh environments
it provides a 10-second Trial for Ignition (TFI) with no pre-purge
White Rodgers 789A-751A1 HSI THPU32HP7Y this assembly ensures precise controlThe White Rodgers 789A 751A1 is a high performance 120V Silicon Nitride Hot Surface Ignitor (HSI) engineered specifically as a Carrier LH33ZG001 direct replacement. As a veteran technician knows, upgrading from older silicon carbide to nitride technology significantly reduces nuisance service calls by providing superior physical durability and faster thermal response. This furnace ignitor features a robust silicon nitride heating element and is rated