While it serves as a standard 3/8" liquid valve

making it ideal for fan coil units

Can I use a universal switch instead of the 632491R

Common Questions & Technical Insights:

Armstrong Furnace R40154B010 Limit Switch Els PW 17895 While it serves as aThe Armstrong Furnace R40154B010 Limit Switch is a critical high limit safety control engineered for precise thermal monitoring in residential heating systems. This L150 30 R40 limit switch is designed to open at 150F and features an automatic reset that closes once the temperature drops by 30F, typically around 120F. As an essential component for system protection, the R40154B010 (functionally identical to 40154B 010) prevents the heat exchanger from