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pro utility

  1. J

    Grant Vortex 26-36-s Pro Utility Lock Out

    I have a Grant Vortex 26-36-s Pro Utility oil fired boiler which keeps going into lock out. It will fire up, run for 30 minutes or so and then go into lockout, I'm assuming because it's overheating. It seems to be intermittent as it will eventually get going again but then lockout again. I...
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