Adjusting the Pre-Charge of a Thermal Expansion Tank
3:19
Added: 2 years ago
From: WattsWater
Views: 29,924
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  • nice video, but i have a very important question..should the precharge be the same as the water supply line even if the tank will be placed on a HOT WATER HEATING SYSTEM (Boiler). Because on a different video i see that they say that it should be charged between 12- 25 psi, since the tank will be placed after a "water pressure regulator valve" which is normally in the range of 12-25 psi??

    jimreene 3 months ago

  • Excellent video !!! So simple even I understood it !!! Nice job Watts team !!! To the previous poster, the tank has to be pre-charged so there is some resistance or back-pressure to the water coming into it.

    MrLeviaFUN 6 months ago

  • hello.......... what is the function of this so called pre charged?

    MrJacyboy 7 months ago

  • excellent video!!!! thanks.

    cheeseman055 1 year ago

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