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My baseboard heat gets too hot?
Hi,
I have oil fired, baseboard hotwater heat in my house. I have the thermostat set to 68. When I turn it on, it cycles on, heats up to 68, and then I can hear it click off. The problem is the heat keeps rising in the house to about 76-80. Then the heat slowly falls and the thermostat cycles on when it goes down past 68 again. So, its a constant game of bundle up and un bundle in my house.
I think that the actual thermostat is shut off because I can hear it click, and I replaced it first thinking it was the problem. But, its like either there is enough residual heat in the lines to make it uncomfortably hot or the pump keeps running.
Also, the furnace is close to needing replacement. Is this just the sign of a clunker furnace?
Any suggestions?
Thanks
This is a digital thermostat. I replaced the existing digital thermostat with digital thermostat as the first step because I figured it was a faulty thermostat. It doesn't have an adjustable heat anticipator like the older ones. It is switched to the "oil furnace" setting.
@ Gas Man. Heck yeah, qualified service techs are amazing. You guys are like doctors of HVAC systems. But... I also believe in self reliance and a thermostat is definatly a reasonable DIY job.
3 Answers
- gas manLv 69 years agoFavorite Answer
in the thermostat is a heat anticapator,it shuts the heat off b-4 the room gets to the temp u have it set for,it is adjusted according to the amp draw of the system,,this was not done,,this is why u should call a quilified SERVICe TECH
Source(s): 38 yrs master hvac tech - 9 years ago
What's happening is that the water in the boiler heats up to around 180 degrees F and the circulator pulls the water around your house when the temp is below the setting on the thermostat. Check the pressure gauge on the furnace, if its above 14 psi or so, then hot water will continue to rise as heat travels through the water. It gets complicated with thermodynamics and all that. If it is above 14 or so in a COLD boiler, then you can drain some water, but you have to do it so that no air gets in the pipes, so itd be best to call a pro.
Source(s): I'm an oil burner technician - big fellaLv 79 years ago
The heat is controlled by the thermostat.If the furnace is heating up the heaters,it's doing it's job.I would look at a new replacement thermostat and make sure it is wired correctly.
