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the 49K85 allows for flame size regulation
When installing this boiler control replacement part
It features an adjustable crank radius ranging from 3/4 inch to 4-1/2 inches
Double Shaft Versatility: Specifically designed for dual-shaft blower assemblies
This negative pressure regulated valve integrates seamlessly with existing wire harnesses and burner assemblies
Lochinvar & A.O. Smith 100208491 Mount L99H008 the 49K85 allows for flameWhen you're out in the field, reliable switching is non negotiable. The Lochinvar & A. O. Smith 100208491 is a 24VDC Relay Panel Mount designed specifically for heavy duty HVACR applications. This OEM replacement part is the current standard for the legacy RLY2052 and RLY2052K components, ensuring a drop in installation without the need for field modifications. Operating on 24 volt DC, this relay provides precise control for pump circuits, fan coils,