Leaking Devices

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Drew_2
Drew_2 Posts: 158
in THE MAIN WALL
I received a phone message yesterday from a Pluming and heating guy with a question about using boiler antifreeze and the failure of pressure gauges (fogging inside & leaking) and relief valves leaking through the seats. He explained that they are all WeilMclain cast-iron hot water boilers and he had changed out the devises with other brands and the same problems reoccurred. Has anybody here seen the same and what’s the possible fix?

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  • Guy_6
    Guy_6 Posts: 450
    leaks

    A) Anti-Freeze is slick- it likes to leak out where water won't. It really doesn't matter whose boiler it is. Couple that with....

    B) Anti Freeze has a higher viscosity than water,and therefore increases the head through a system. Usually this can be combatted through the proper dilution. I never recommend more than 50%, and usually strive for 30%.
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