Air Vent and/or Pressure Gauge can be replaced without Draining the Heating System
Structural Pressure 12 bar (174 psi)
Working Pressure Air Vent 6 bar (87 psi)
Temperature Rating 110°C (230°F) water (no steam)

Available in:

• Fig. 12904 - 1/2” with Air Vent, Pressure Gauge and Stopvalve