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Yours may be different, but generally high temp limit switches look like this: Order the correct replacement online (if you can figure out the right one to get and have verified it has failed by testing for broken continuity) or take it to your local appliance parts supplier. Bring the model number of your unit with. "well 4 blinks is an open limit or ...


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It looks like Onix tubing, but installed incorrectly. If it is Onix then it does have an O2 barrier. It should be installed with special reusable crimp rings If it is Onix, the material is very reliable (when installed correctly).


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In my experience as a Home performance contractor, situations like you describe are almost always a problem of air sealing. There is likely something about the way the room was constructed that allows more air infiltration. Possible causes would be an attic stairs located in the room, one of the exterior walls having an overhang, the room is connected to a ...


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From the Installation Instructions If a remote line voltage thermostat is used it should be rated for higher than the amp load of the heater connected. The instructions list your model at 20 amperes. However, NEC requires conductors (210.19(A)(1)(a)) and overcurrent devices (210.20) feeding continuous loads to be rated 125% of the load. So the ...


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The additional wall area is not why the room is colder. The room is colder because the heating system was either specified, designed or installed without properly accounting for the additional wall area.


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The start up current of the heater probably is a bit over 20 amps (like 25) for up to a minute. Once it heats up, its load should be at 20.833 amps. For less than an hour, that is an acceptable load, but heating equipment wiring must be rated for continuous load according to the NEC. Either get a lower rated heater instead, or use a contactor. The ...


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There is a product made specifically for this problem. It is called ThermGuard and is a tiny microcomputer that attaches to your thermostat. It is programmable to run the heat zone for a specific number of minutes with a programmable delay. For instance, you can program it to run for 3 minutes every two hours. This will circulate enough water to keep ...


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Calculating the total wattage using Ohm's law is quite simple. Watts = Volts (V or E) * Current (A or I) Therefore Watts = 240 Volts * 20 Amperes = 4800 Watts However, if you live in the US (and possibly Canada has similar rules) and follow National Electrical Code, you're not quite done yet. 424.3(B) says that fixed electric space-heating equipment ...


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In Canada and in the United States (If i am not mistaken) total wattage is (A x W) x 80%.This goes to say, a double pole bridged 20amp breaker would be consider 40AMP. So 40AMPS x 120(Or corresponding voltage) x 80% = 4800 X .80 = 3840 would be the maximum voltage. In order to find out how many fixtures you can put on that circuit, divide the total save ...


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It would be a good idea to keep them as insulated from heat as possible. Depending on the type of cable, they could potentially release toxic fumes if they are exposed to too much heat. Generally, if you are running them near a hydronic heating system, then the pipes won't get hot enough to melt the jackets of the wires as long as you wrap the pipes in foam ...


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Simply put, moist air from anything can build up condensate. If this moist air or vented furnace vapor is exposed to freezing temperatures, eventually it will form a build up. The temperature inside has to be greater than freezing air around it, or it will build up a frosty ice cube. Pay close attention to insulating heat exchange if the furnace is not ...


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You have a bad high limit switch, or the furnace is overheated. The high limit switch is in place to make sure the furnace doesn't heat up to the point that it damages itself, or anything around it. If the furnace gets too hot, the limit switch opens. When the switch opens the burners turn off, but the blower continues to run in an attempt to clear the heat. ...


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The air filter should slide in the slot between the return air duct, and the furnace. The filter should have some markings on it, to indicate which way the air should flow through it. Make sure when you install it, you install it in the proper direction. Supporting Documentation The installation instructions shows the location of an optional external ...


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Many boiler control systems keep the boiler hot at all times (especially if the boiler is providing domestic hot water as part of its load) and that does have the logical effect that the burner fires on a regular basis, regardless of an actual call for heat, due to "standby losses" (the self-cooling of the hot boiler, requiring more heat to keep it at an ...


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Just because it has two thermostats doesn't mean it's dual zone. I've seen people add a second thermostat that works in tandem with the original but the AC was not converted into a dual zone. So either upstairs or downstairs can turn on the AC/Heater but it will cool/heat both floors even if both don't need it. Dual zone requires an AC unit setup for it ...


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Is the house drafty? We had a similar issue with the first floor, the heat always turned on and off. I first replaced the old thermostats for new ones, but still no affect. What it came down to was our old windows created a lot of drafts and the door to the outside was right next to the thermostat, so every time we opened the door to go outside and cold air ...


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You're right, but only because oil is the worst, most expensive way to heat a home. Pretty much anything beats it, except maybe electric resistance in places with high electricity prices. Wood, gas, and heat pump electric will all beat the pants off oil. That said, even 80% efficiency may be optimistic for a modern high efficiency wood stove. But even if ...



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