When performing a Weil-McLain Ultra boiler repair

Common Questions What is the rotation for the Fasco D119

If the 100326994 switch trips

The Resideo AT87A1155 utilize standard color-coded leadwires

Resideo HM700ADVALVE Drain Valve 324846-701 When performing a Weil-McLain UltraThe Resideo HM700ADVALVE is an OEM replacement drain valve designed for precision water level management in HM700 electrode humidifiers. As a critical component of the steam cylinder assembly, this solenoid drain valve regulates condensate discharge and prevents mineral scale buildup by facilitating timed flush cycles. It features a high temp plastic housing and a 120V 240V compatible actuator, ensuring seamless integration with the existing control