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Author:
Jbridge (NY)
I have been using my heat without problems for about 2 weeks. As of 4 days ago the heat would not get to the set temperature.At first I was goimg to change the thermostat but then resized that some baseboard pipes were getting hot while others were not.
I found the 2 relief valves and tried bleeding them, one the water came out hot the other the water came out room temperature I guess you would say. No air sound came out of either end.
The furnace does keep kicking on but only stays on for 2-3 min.
If water is coming out can air still be the system? The side that has the room temp water coming out when opening the valve should I keep bleeding it until hot water comes out?
Is it possible to remove to much water?
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Author:
packy (MA)
can you post a picture of what you call the "relief valves" ?
just opening the valves does not remove any air.
and yes, you can remove too much water if the system can not replenish it fast enough.
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Author:
Paul48 (CT)
Baseboards can be nearly impossible to bleed, unless the system is set up with valves in proper locations. You want to create flow in one direction, otherwise the water will take the path of least restriction and that may not be where the air is. In it's simplest, cheapest form, on a single loop system, you would have a ball valve on the supply and return at the boiler. You would then have a boiler drain on the system side of the supply and return. You close the valves to isolate the boiler. You run a hose from a sillcock to one boiler drain and run a hose from the other boiler drain out onto the lawn. If you have a split loop make sure you add an additional valve to force the flow through the split, then open it up....done. Next spring put a spirovent on the system to automatically remove air.
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