glow worm swiftflow 80 flow switch?

Normally open contact on the flowswitch. Contacts close when H/W is drawn. If it is faulty, likely fault is inside the flow valve not the actual platon switch which just senses the movement of the ball inside the fitting. Could just be furring so might be worth disassembling and checking before buying new. (Tap firmly with screwdriver handle on fitting while drawing H/W and see if it fires up).

David C
March 2009

If its a mechanical microswitch sensor in the flow stream, then check continuity on/off by drawing hot water. Same applies to a reed inline of flow.

Adam K.
February 2009