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Overview
A Glow-worm brand air vent with needles for use in the pump of SD and compact boilers. A central heating safety device, the air vent releases built-up air. As water flows through the system, a float opens or closes the vent depending on the water level. When the system is full, the float is pushed to the top, closing the vent until the water level drops.
- Fits multiple appliances
Technical specification
TypeAuotmatic Air VentManufacturer Model NoS801186Brand NameGlow-worm
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