Field Serviceable: The welded element and internal components are accessible for cleaning or inspection

preventing fluid or gas bypass that leads to system inefficiency

check your existing wiring to ensure the matching HVAC capacitor is in good condition

it is ideal for high-demand burners and boilers requiring a low-pressure gas solenoid solution

This is a normally open (NO) assembly

Maxitrol R400Z-1/2-CSA Valve 320788-702 Field Serviceable: The welded elementThe Maxitrol R400Z 1 2 CSA is a specialized zero governor gas regulator engineered for high precision control in proportional air gas mixing systems. This balanced valve regulator is a critical component for industrial burner applications, nozzle mixers, and pre mixers where maintaining a constant atmospheric or sub atmospheric pressure is essential. Designed with a 1 2" NPT connection, the R400Z serves as an adaptable gas pressure regulator capable