Proper installation of the S1-025-41001-000 helps maintain consistent superheat levels across the evaporator

single-speed configuration with clockwise lead end rotation (CWLE)

Direct Cross-Reference: Identical to PLT3022

For alternative systems

This normally closed unit features a synchronous motor drive that efficiently moves the valve to the desired position when energized and returns to the safety position upon loss of power via a heavy-duty stainless steel spring

Weil McLain 383-500-390 Kit Freon Proper installation of the S1-025-41001-000The Weil McLain 383 500 390 Gas Valve Venturi Kit is a critical replacement component designed specifically for Liquid Propane (LP) fired Ultra Series high efficiency condensing boilers. This integrated assembly ensures precise fuel to air mixing ratios, which is essential for maintaining optimal combustion stability and fuel economy. The kit includes the Honeywell gas valve, the venturi mixer, and the necessary LP conversion hardware to restore the