Versatile Compatibility: Fits an extensive range of residential models including M230R

but if a vent limiting device is installed

ensuring a secure and exact fit in tight furnace cabinets

this orifice is sized specifically for Liquid Propane (LP)

We recommend inspecting your existing silicone tubing for cracks or moisture blockages when installing the new 9371VO-HD-0011

Lochinvar & A.O. Smith 100208510 Sequencer Els PW 17895 Versatile Compatibility: Fits an extensiveThe Lochinvar & A. O. Smith 100208510 Sequencer is a critical 24V control component designed for staged heating element activation in high demand residential and commercial systems. Engineered as a direct replacement for RLY2707 and RLY2707K, this 24V sequencer ensures that heating elements engage in a specific timing sequence, preventing high amperage inrush that can trip breakers or damage sensitive HVAC electrical components. As a veteran grade