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Burnham V7 steam boiler maintenance done

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Figured I would share some photos of today's project at the house. New fire chamber for my boiler along with a new pigtail, cleaning the heat exchanger, and a combustion test. I had previously done the tank filter pump strainer and nozzle. I think as far as combustion numbers go that's about as good as it's going to get being that the boiler is close to 30 years old.

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Comments

  • HydronicMike
    HydronicMike Member Posts: 313

    Was it really 80° in the basement?

  • WilliamGwiazdowski
    WilliamGwiazdowski Member Posts: 137

    no, I'm not sure where his combustion analyzer takes the ambient temp reading from, it must be fairly close to where the tip of the probe is

  • Steamhead
    Steamhead Member Posts: 18,355

    @WilliamGwiazdowski , what model low-water cutoff is that? I'm not sure it's approved for steam………….

    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • WilliamGwiazdowski
    WilliamGwiazdowski Member Posts: 137

    it's a RB122E, it's been installed for many many years now, I do want to change it to a SafGard 450 down the road a little bit.

  • 4GenPlumber
    4GenPlumber Member Posts: 87

    Definitely not approved for steam. It says HOT WATER BOILERS right on it.

  • WilliamGwiazdowski
    WilliamGwiazdowski Member Posts: 137

    I am definitely aware of that, that'll be the next thing to do. However I don't think it's something that I need to do immediately. My plumber friend will be coming back probably a couple of times this summer to help me with installing a heat pump water heater as well as replacing the crossover traps with Barnes and Jones Big Mouth crossovers so when he is over here I'll have him give me a hand swapping it out.

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 20,008

    Combustion #s are good. Don't know what size nozzle you running but a size smaller or dropping the oil pressure would bring your stack temp down a little. Stack temp is not bad if it was really 80 degrees in the basement.

  • WilliamGwiazdowski
    WilliamGwiazdowski Member Posts: 137

    Ed,

    Running a .85 80°B nozzle at 140 psi as specified by Burnham for 1.05 gph. The basement temp normally hovers around 60 to 65 f.

  • WilliamGwiazdowski
    WilliamGwiazdowski Member Posts: 137

    Final confirmation that Adam and I did a good job, Bobby is a very warm happy cat.

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