Resideo TX-5 Tank 321042-401 Manual Override: Features a high-visibility

Manual Override: Features a high-visibility red handle for manual positioning during commissioning or maintenance procedures

What causes a horizontal drain pan like the B1756022L to fail

Should I lubricate the bushing or shaft during install

The thermistor violet lead identification simplifies circuit tracing during 24VAC diagnostic procedures

Constructed from durable cast iron with a corrosion-resistant finish

Resideo TX-5 Tank 321042-401 Manual Override: Features a high-visibilityThe Resideo TX 5 is a high performance thermal expansion tank engineered specifically for closed potable water systems. As a veteran technician knows, when a backflow preventer or check valve is installed, the water heater essentially becomes a closed loop; without a potable water expansion tank, thermal expansion during the heating cycle can cause dangerous pressure spikes and frequent T&P relief valve discharge. This 2 gallon steel tank serves as