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This board is primarily used in York
offering a 15-second fail-safe response time
or fan banks
the Lennox 93J3901 eliminates unnecessary downtime while maintaining strict adherence to factory safety sequences
Lochinvar & A.O. Smith 100074672 Manifold Assembly 321894-708 This board is primarily usedThe Lochinvar & A. O. Smith 100074672 Manifold Assembly is a critical OEM replacement component for high efficiency natural gas tankless water heaters. This integrated unit combines a precision engineered natural gas manifold with a dedicated gas valve assembly to regulate fuel delivery and maintain stable combustion across varying load demands. Whether you are servicing a residential or commercial system, using the correct Lochinvar gas manifold is
US$ 490.00
US$ 337.50
US$ 282.50