the valve should be installed with the spindle in the vertical position

this CW (clockwise) rotation blade ensures the blower assembly moves air efficiently from the top intake through the floor-level discharge

replacing the 100077874 assembly often resolves the issue provided the gas valve and control board are functional

This pilot kit is engineered to operate reliably in steam applications up to 250°F

Capacitors are usually sold separately

Laars Heating Systems RTXD7109 Replace Kit 318423-701 the valve should be installedThe Laars Heating Systems RTXD7109 Replace Kit is a direct OEM solution for restoring the Neotherm Wave 3 4A control architecture. Engineered for high efficiency condensing boilers and volume water heaters, this Neotherm Module Replace Kit serves as the central processing unit for system modulation and safety logic. As a veteran grade HVAC replacement part, it handles critical functions including integrated PID temperature control, direct spark