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

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

accommodating the demands of professional HVACR control systems

Built with high-grade insulation and equipped with factory-standard Molex connectors

Maxitrol R400Z-3/8 Regulator Els PW 17895 This HVAC pneumatic fitting isThe 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