Maxitrol R8110-48 Spring 318518-761 and GWB9-100IH high-efficiency boilers

and GWB9-100IH high-efficiency boilers

000 BTU models like the F5FP048 and F3FP048 series

this specialized blower motor ensures seamless mechanical integration without requiring bracket modifications in most standard Williams furnace configurations

providing essential thermal protection for the heat exchanger

Maxitrol R8110-48 Spring 318518-761 and GWB9-100IH high-efficiency boilersWhen you're servicing larger straight thru flow or lock up gas regulators, the Maxitrol R8110 48 Orange Spring is the required component for achieving a stable 4 8" Water Column (W. C.) outlet pressure. This replacement spring is technically engineered for the heavy duty RV81 series and 210D series gas regulators, ensuring the diaphragm maintains high sensitivity regulation even in high capacity, low inlet pressure environments. In the field, using