Recent content by daling58

Thanks Jim, you were right about the igniter, it has the built-in flame sensor, and replacing it fixed the lockout problem. The short cycle problem was caused by the defective circulator, it didn't work well. After replacing it again with a good one, and bleeding the radiators like what you...

Thanks again. A service tech came and replaced both ignitor and circulator. Now it does not lock out anymore, but it has very short cycles. Once it fires up, only lasts 1 minute and then shuts off, waits another 5 minutes and starts again. I have all 4 themostat calling for heat, should it...

Thanks for the reply. This boiler is an old model and it does not have a flame sensor. Today I replaced the pressure switch, but it didn't help. After reset, it went through the normal sequence, and fired up for about a minute and shut off itself. What else should I try?

My Weil-McLain GV-5 Series 1 gas boiler stopped working last night. The green power light is on, all other lights are off, no flashing lights. The circulator is really hot. I reset it by powering it off and on, it tried the whole cycle once and went back into lockout. The light sequence is...