Latest Discussions : HVAC


03:46PM | 12/08/04
Member Since: 12/07/04
3 lifetime posts
I have a Utica hot water boiler DV150B.

The 30 psi pressure release valve is leaking.

The pressure gague reads just under 30 psi, therefore the leak.

The furnace cycles ON and OFF between 160 deg (ON) and 175 deg (OFF).

The expansion tank is NOT full of water.

Anyone know why the pressure in the system may be so high?

Is there a way to check the pressure of the expansion tank? I notice there is a schrader valve on the bottom of the tank.

Thanks for any help!


04:34PM | 12/08/04
Member Since: 12/07/04
3 lifetime posts
Very good suggestions. Thanks.

I gave the expansion tank a good shake to see if there was any water. It also sounds quite hollow.

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