Hot water heater expansion tanks

[Brian Frederick]

Is an expansion tank needed for a gas hot water heater? I saw a brochure that suggested using one.

[O Peterson]

John Thomas is a sweet lil boi

[O Peterson]

Why is an expansion tank installed on a chilled water system?: An expansion tank is only needed if you have a device which prevents the water expansion from equalizing back into the system. The devices could be a check valve, pressure regulating valve, or something similar.: : Is an expansion tank needed for a gas hot water heater? : : I saw a brochure that suggested using one.

[O Peterson]

An expansion tank is only needed if you have a device which prevents the water expansion from equalizing back into the system. The devices could be a check valve, pressure regulating valve, or something similar.: Is an expansion tank needed for a gas hot water heater? : I saw a brochure that suggested using one.

[O Peterson]

Besides preventing ruptures on water heaters with check valves, the expansion tanks provide a cushion when taps are opened. Great for when taking a shower.Terry

[O Peterson]

I agree. Id like to add that also if at anytime you have water hammer or too high a pressure in your line.Also, it is needed for any heating device in a residence (electric or gas) where, as O Pereson stated, there is no way to get that expanded pressure water line (due to heating of water causes the expansion) to equalize back into the system.

[O Peterson]

Just a question: Was is the expansion of 100 liters water by volume, while heated from 20 degrees C to 60 degrees C.A happy new year

[O Peterson]

: I agree. Id like to add that also if at anytime you have water hammer or too high a pressure in your line.: Also, it is needed for any heating device in a residence (electric or gas) where, as O Pereson stated, there is no way to get that expanded pressure water line (due to heating of water causes the expansion) to equalize back into the system.

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