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handymanwire.com > ... > Heating and Air Conditioning
Jan 14, 2003 - 10 posts
My hot water baseboard heating system is a closed system. ... Could I shut off the main water and leave the boiler and heat going for ... If one is not installed, install one and rely on that to save the boiler from the damage of running out of ... I do not wantto have city water push my antifreeze out of the system ...
Nov 21, 2010 - With hot water baseboard heating, is it better to keep the heat at 60+ degrees ... a hot water heating system where water is heated in a hot water boiler and then ... by setting the thermostat to lower the heat when you don't need it on. ... Not only do I turn my heat down when I leave for work in the am but also ...
I have a couple of thoughts. You may have air in the boiler water circuit at the loop that feeds the tank. You'll have to find the vent in the loop to get it out. Second, the automatic valve that opens for hot water may not be opening fully. Have you felt both the boiler water lines that go in and out of the tank? If the water going in is hot and the line out is very cold you have very little boiler water going through the loop. Make sure the isolation valves on the loop are open. Is your boiler full of water? If the boiler loop lines are hot going in and coming out, the tank is full of rust or debris and no water can get to the fins on the internal tubing to pick up heat. If that's the case there is no repair and its time to get a new tank. Hope this helps good luck.
sounds like you have the heater set on its highest setting and its tripping the thermal protector. If that trips the water inside has to cool way down before it resets itself. Try setting the temp lower. One more thing this time of year the water comming into the home is a lot colder this time of year and that makes the heater work harder and takes longer to heat the water. 40 degree water takes longer to heat than 65 degree water in the summer. This also means that it dont take much water cool the water in the water heater faster to luke warn. If this is new home with a new water hater you might think about going tankless,then you have endless hot water and save money at the same time.
This time of year the water comming in the house is much colder and heater has to work a lot harder to heat 40deg. water than ot does to heat 70deg water in the summer time. its normal.
if you leave the heating on low to stop freezing is fine . Not sure how you water works but I would leave it on to stop freezing Also get some one to pop in once a week to check things are ok .
What kind of water heater do you have? In any case, it sound like a plumber should check out system.
Do you have indirect heater that gets heat from central heating boiler? Most indirect/boiler combo heaters have control that is set to heat the water first. If water is not getting heated, then the control needs repair.
Do you have gas water heater with gas central heating? The central heater may be drawing so much gas from meter, that other gas appliances are unable to function. larger gas meter or gas line may be needed. Or if furnace and water heater vent on same chimney, the backflow from central heat could be affecting burner on water heater especially if water heater has electronic sensor that stop combustion if air quality is bad. Venting problems can lead to CO poisoning, and are a serious matter.
I do not know what heat control valve you are referring to on an electric water heater. On an electric water heater it has two heating elements in most cases. One at the top and one on the bottom. One of these is more than likely defective. Turn the power to the water heater off at the service panel or at a disconnect switch. Now take the covers off both heating elements. Check each one with a ohm meter to see if you have continuity. If your meter reads nothing that heating element is bad and needs replacing. On each heating element is a thermostat to set the temperature. Set the upper element to 120 degrees and the lower element to 130 degrees.
it uses resistive heating elements that are encased in an electrical insulation and then covered with metal, like the cooking elements in a stove, or on a cooktop range. when electricity flows through them they heat up and get hot (like a light bulb filament wire glows) When the water reaches a certain temperature set on the thermostat, it opens the electricity,turns it off to the element until the water cools down past whatever temperature it is set at, and then it turns back on. That is why if too many people take a shower you will run out of hot water because cold water is always flowing through the water heater and when all the hot water is used, you have to wait for the heating elements to heat the water back up. To make sure it heats up quickly make sure all the HOT water faucets are off so that water isn't flowing through it and is just sitting there heating up. All work on the same principle.
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