Circulator won't turn on sometimes

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Rugar

Member
Hearth Supporter
Oct 12, 2008
134
East central KS
Eko with rku2001 controller sometimes won't turn on circulator. If you bump controller it will run. Guessing there is a sticky relay or something.
 
They seem to be in there good. Pump turns on most of the time but not always. It will be fine for a month then problems for two or three days. That's when I turn circulator on to full time with an axillary switch. I have more trouble on warm days when house doesn't need heat and boiler temp goes below 170 and shuts off circulator. It dosent always kick back on and I over heat
 
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