White-Rodgers 37C73U-171 Valve Els PW 17895 Because the Sporlan 168144 is

Because the Sporlan 168144 is internally equalized

This genuine vent motor plate gasket replaces worn or brittle seals that often lead to nuisance cycling or system lockouts in high-demand HVACR applications

Contained within a NEMA 1 housing

different orifice dimensions are required

It also facilitates the integration of Forta M800A and M900Ax actuators with 2-1/2" to 4" valve bodies

White-Rodgers 37C73U-171 Valve Els PW 17895 Because the Sporlan 168144 isThe White Rodgers 37C73U 171 is a professional grade Natural Gas Water Heater Valve engineered for standard residential tank style heaters. Built with a 2. 5 inch shank for deep tank insulation compatibility, this control provides precise thermal regulation between 70F and 160F. For technicians performing a replacement water heater thermostat install, this unit serves as a direct upgrade for the 37C73U 274 and various A. O. Smith or Rheem OEM