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Decomissioning Hot water boiler heat exchanger

Icarus
Icarus Member Posts: 143
in Radiant Heating
Quick question,

My son is having a. Heat pump hot water heater, and is going to not use the hot water exchanger on the oil boiler. Two questions, first does one need to do anything special to decomission the heat exchanger? Second, can he safely shut the boiler down completely for the warm months. As long as it is not cycling is there a problem with it lying cold over the summer?

Thanks, Icarus

Comments

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 16,477
    edited February 2020
    You can shut it down in the summer. Occasionally boilers that have been kept hot 24/7 will leak when they are cold but this is not usually the case.
  • Jamie Hall
    Jamie Hall Member Posts: 24,856
    Third -- it should be obvious, but often isn't, don't trap water in the decommissioned heat exchanger. At least one end, if it is a coil type, must be open.
    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England
  • Steamhead
    Steamhead Member Posts: 17,384
    Also- there will no longer be a need to keep the boiler hot all the time. So have the controls rewired so the burner only runs when there is a call for heat.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting

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