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  1. G

    Heatslave 20/25 lockout advice appreciated

    Hi Oilhead, You were right, I hadn't set up the pump correctly, thanks for the pointers. Anyway I've learned a lot, had the burner out and stripped down, best way to change the pump is with the boiler out on the bench. I've been maintaining this boiler for 19 years, maybe time to get a new...
  2. G

    Heatslave 20/25 lockout advice appreciated

    Thanks for that Oilhead. It's a Bentone B11-C burner with a Honeywell TF830-3 controller. Following what you said I put 230V directly onto the solenoid and nothing changed, still locked out, still the same same drip of oil if I loosen the nut on the bleed/testpoint downstream of the the pump...
  3. G

    Heatslave 20/25 lockout advice appreciated

    Hi Guys, any sound advice very welcome :) I've changed the Danfoss oil pump on a WB Heatslave 20/25 oil boiler due to a leaking pressure relief valve. Now its going to lockout after it ran once and only once for half an hour. Magic eye tests okay, motor is running, not sure if the igniter...
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