Durability: Built with a corrosion-resistant bronze housing to withstand harsh chemicals and high-pressure spikes without signal drift

The RV91-2 1/2 is CSA certified for a 1/2 PSI maximum inlet pressure and has been Maxitrol tested for up to 1 PSI

Common Questions Is the AT-11-500 compatible with older Barber Colman thermostats

ensuring structural alignment without modification

this unit is specified for 208Vac

Trane VAL9377 Gas Valve THPU32HP7Y Durability: Built with a corrosion-resistantThe Trane VAL9377 is a heavy duty, 24V natural gas valve engineered for precision fuel regulation in residential and commercial furnaces. Designed as a slow opening gas valve, it mitigates ignition noise and reduces mechanical stress by gradually ramping up gas flow to the burner manifold. This 3 4" NPT HVAC replacement gas valve is a critical component for technicians performing service on high efficiency Trane and American Standard heating systems,