This unit serves as a critical furnace gas valve assembly featuring a 1/2" NPT inlet and outlet with a step opening characteristic

The standard spring in this model has a cracking pressure of 0

allowing you to switch two completely independent circuits at the same time

Common Questions What is the maximum pressure for this valve

Whether you are performing a selector switch installation on a package unit or troubleshooting a Carrier HVAC mode selector discrepancy

Lochinvar & A.O. Smith 100110850 Lower Probe 318172-701 This unit serves as aThe Lochinvar & A. O. Smith 100110850 Lower Probe is a precision engineered OEM replacement part designed for high performance commercial and residential water heating systems. As a critical immersion temperature sensor, this lower probe provides the control board with real time thermal data to regulate firing rates and maintain accurate setpoints. Built for high duty cycle environments, the 100110850 probe (also identified by part number 9006048205)