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purge light flashing CGI 8 NG
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rbkerrigan
Member Posts: 1
I have a 12-year-old Weil Mclain NG CGI 8 boiler. The boiler fires up and runs for about 1 min and then turns off with the purge light flashing.
- I checked for any blockages in the vent, it was clear.
- I replaced the pressure switch, but the problem continued.
- I bypassed the pressure switch and then the boiler operated normally.
- The fan motor sounds ok.
Follow up:
I CLEANED THE PORTS THAT THE PRESSURE SWITCH HOSES ATTACH TO. THAT SEEMS TO HAVE DONE THE TRICK. MAYBE A WEAK BLOWER FAN TOO. WE WILL SEE.
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