Steve weightman
Gas Engineer
Hi, can anyone identify what the 1,2 and 3 terminals are on the round plastic aps the old honeywell has been replaced with it but no instructions were in the box.
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Air pressure switch terminals
- Thread starter Steve weightman
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View the thread, titled "Air pressure switch terminals" which is posted in Air Sourced Heat Pumps Advice Forum on UK Plumbers Forums.
You could test it for continuity and figure out what one is common and nc and no?
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Reply to the thread, titled "Air pressure switch terminals" which is posted in Air Sourced Heat Pumps Advice Forum on Plumbers Forums.
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