E121 Automatic Air Vents are ideally suitable for hot water heating systems, radiators. Inside the automatic air vent there is a floater which operates a lever according to the water level. When there is no water in the housing, then the floater opens t
- Maximum Operating Pressure : 150psi
- Overall Height : 64mm
- Pipe Connection Size : 12.7mm
- Brand : Honeywell
- Overall Weight : 0.3969lbs
- Material : Brass
- Product Type : Automatic Air Vent
