What is the difference between 401307 and C-304-S

Does this fitting require additional adhesives

This HVAC pneumatic fitting is essential for maintaining seat-to-plug alignment and ensuring that your Honeywell pneumatic controls function as intended within a pressurized air distribution network

Replacing a failed switch with this ICP furnace safety part provides the exact thermal response curve required by the factory to prevent cabinet damage and ensure safe combustion cycles

Built to exact York S1-3110-3571 specifications

Maxitrol R400Z-3/8 Regulator Els PW 17895 What is the difference betweenThe Maxitrol R400Z 3 8 is a professional grade zero governor gas regulator designed for high precision air gas mixing and flow control in commercial burner systems. Utilizing a double diaphragm balanced valve design, this unit maintains exceptionally steady outlet pressure despite significant fluctuations in inlet conditions. The R400Z 3 8 features a 3 8" NPT connection and is engineered for applications requiring atmospheric pressure regulation, such