Spirotherm 1-1/4 in. Spirovent Jr.

1-1/4 in. Spirovent Jr. helps reduce oxygen-based corrosion in your boiler system. This replacement part is designed to help eliminate up to 100% of free air and entrained air and up to 99.6% of dissolved air in the system. This part provides a quiet operation and requires minimal to no maintenance.|Helps reduce oxygen-based corrosion and pump cavitation|Helps eliminate up to 100% of the free air and entrained air and up to 99.6% of dissolved air in the system|Boiler replacement part|Resistant to dirt and leaks|Quiet operation|Minimal to no maintenance|Install in the boiler supply line where the temperature is highest