Use a multimeter to check for electrical resistance (ohms)

this specific part number is engineered for the Ultra Gas Boiler line (specifically Series 1 and 2)

replacement is required to protect the motors

This part is a staple for technicians troubleshooting unstable pneumatic branches or calibrating legacy Barber Colman pneumatic fittings to ensure smooth

What are the symptoms of a failing Lennox TXV

Warrick 26MB1A0E06 LWCO Els PW 17895 Use a multimeter to checkThe Warrick 26MB1A0E06 is a professional grade low water cutoff (LWCO) relay designed for precise liquid level control in commercial and industrial boiler applications. Engineered to meet CSD1 requirements, this 120V solid state controller utilizes conductivity probe sensing to protect equipment from dry fire conditions. The 10kOhm sensitivity is factory set to ensure reliable performance across various water qualities, while the 11 pin octal plug in