Lochinvar & A.O. Smith 100208491 Mount L99H008 the 49K85 allows for flame

the 49K85 allows for flame size regulation

It features an adjustable crank radius ranging from 3/4 inch to 4-1/2 inches

To maintain accuracy and prevent debris buildup on the seat

it allows the unit to modulate firing rates based on accurate supply and return water temperature differentials

provided the total distance does not exceed the RS-485 signal limits and power requirements are met

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,