Reply To: Boiler Pressure too high!

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Avatar photofourth year

    Adding air to the compression tank requires injecting it either with a pump or draining the water out and allowing air to replace it. Either of these should be done with the system at zero pressure otherwise the tanks will not start with the correct amount of air. Nothing was said about trying to do it with the system at operating pressure, since that would involve changing the volume in the system and doing that with either air or water would increase the pressure.

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