Auto air vent (3/8") with shut off valve and manual vent feature. Positioned at high points in the system (e.g. on top of thermal stores), the automatic air vent releases the collected air. Features a fast purge function for filling thermal store cylinders.
Automatic and manual air vents
Supplied with automatic shut-off valve
Body and cover are brass construction
Air vent with silicone rubber seal
Impurities do not usually affect function as maximum float line of water is always lower than the valve seal
Float is high temperature resistant polyethylene
Suitable for use with glycol systems
For use with Nu-Heat cylinders, buffer tanks, and pipework.