How do i remove a water pressure switch?

Joined
10 Aug 2007
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Location
Derbyshire
Country
United Kingdom
Gloworm Spacesaver boiler red light indicating low water pressure. The setting when i first checked was way below 1bar and after filling up to just over 1bar the light is still on so im guessing switch needs replacing. Thanx to any advice.
 
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have you turned power off then back on, some LPSs need resetting.
 
have you turned power off then back on, some LPSs need resetting.
Yeah i turned it off on the system and the mains and left it for a while then went through all the necessary checks. All radiators are calling for heat , thermostat, etc and the red under pressure light's still on.
 
may need a new switch or pipe to it may be blocked, must say I'm not familiar with your boiler, do you have a model or a GC no.
 
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I guess you have the glowworm spacesaver complheat.

The low pressure switch is on the left hand side next to the return pipe. Release the system pressure through a drain point, note which wire is on which terminal and unsrew, replace or clean out old with a pin, put a few wraps of PTFE round thread and screw back in
 

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