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I need to know what type of heater is used that is safe for the home and can heat a house to at least 140 degrees with no one in it.

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That is not possible, unless it is a woodburner or a fireplace. The woodburner is usually put outdoors and it heats the water in radiator lines that go into the house to the furnace, that might be your best option.
Most of the other units would have a safety that would kick a blower on and cool the units down before it could reach that temperature and maintain that temperature.
Trying to maintain that temperature is not good for your house.

Posted on Jul 03, 2010

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Posted on Jan 02, 2017

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What gauge power wire is needed for a RCI63ffc4 it will be 20 ft long ?


The size of the wire is determined by the load it needs to safely carry. This can be obtained from the manual or the supplied fuse size. Once you have found this value, multiply it by 1.25. This means a 10 amp radio will be 12.5 amps. A 30 amp radio becomes 37.5 amps. A 60 amp radio becomes 75 amps - and so on. This is REQUIRED to prevent the wire being used at 100% of its capacity, which would cause it to heat up. Enough heat will cause insulation to burn. Insulation comes into play below. Use the chart linked below - and use copper wire.

http://www.cerrowire.com/ampacity-charts

In order to use this chart properly, you need to determine the insulation type. Different types affect ampacities of the conductor. Typical "romex" wire (the stuff in your house) is rated for "60 deg C (140 degrees F)". Specialty wires THW, THWN, USE, XHHW, THHN etc. are rated at "75 deg C (167 deg F)" and / or "90 deg C (194 deg F)" and have a higher ampacity for the same size copper wire than "60 deg C (140 deg F)" wire as a result. If you do not know which insulation type you have, assume the lowest "60 deg C (140 degree F)" type. Look up the amps you calculated above for your particular radio in the "60 deg C (140 deg F)" column, otherwise look it up under the column with specialty insulation types instead. If the CALCULATED amp value is NOT listed, pick the next LARGER value. Follow it back to the LEFT most column to learn the SIZE wire needed with the same insulation as listed in AMP column.

If your radio was 48 amps, it calculated to (48A x 1.25) = 60A. If you don't have the wire, you can go to a store and say you need 20 feet of #4 copper wire with "60 deg C (140deg F)" insulation, -OR - #6 copper with THW, THWN, SE, USE, or XHHN insulation - OR - #6 copper THWN2, THHN, XHHN2 or USE2 insulation.

The values above hold true regardless if in a circuit that is 6 volts or 600 volts. You should increase the wire size (lower #) on DC circuits only if the circuit length is 50 - 100 feet or more. AC circuits can be hundreds or more feet long before increasing the wire size is needed.

I hope this was helpful & good luck. I hope you've got a ham radio license before you transmit with that radio in the 10 meter band.

Mar 12, 2014 | Ranger Radio Communications

1 Answer

My Takagi TK3 isn't heating as it should. Had a tech out and he adjusted the dip switches to 140 degrees, which worked for a while but now it barely heats to 100 degrees. Gas flow rate appears to be...


Is tankless computer older than 5 years? Imagine how well a 5-year old laptop computer works.

Setting temperature to 140 degrees might be the basic problem:
Read following resource:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#temperature

I doubt this Takagi computer unit was maintained as shown in product manual, and that heat exchanger was not delimed each year as shown in product manual. So the heat exchanger is probably heavily coated with un-removeable scale... since yearly deliming will not fully remove scale on tankless units, the tankless computer is designed to sprial downward in efficiency despite glossy brochures that promise endless and effortless hot water for 20 years ... as if any computer will last 20 years:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#de-lime

Since you are not getting error code, the problem might be crossover, or some other plumbing problem:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#no-error
http://waterheatertimer.org/Crossover.html

I always recommend replacing tankless computer with tank-type water heater for $385 for same-day do-it-yourself solution and to save the endless expenses that arise with computer-driven water heaters.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

Gene
h

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Aug 30, 2013 | Takagi T K3 OS P OnDemand WaterHeat

1 Answer

I've lost my manual, and am unsure what the heat


You posted under water heater.
Open following link for adjusting water heater temperature on typical gas and electric water heaters:
State electric has ABC
White Rodgers gas thermostat has ABC
Honeywell gas valve has ABC
Each is shown on following link:
http://waterheatertimer.org/How-to-adjust-temperature-on-water-heater.html

60 degrees C is 140 degrees F.
You can get burned pretty quick at 140 F.
I suggest 125-130 F and see if that works
First aid for burns is to apply cool water immediately.

Jul 09, 2011 | Rheem Water Heaters

2 Answers

I have an emco equitemp shower valve and have recently installed a tankless water heater. I need to adjust the valve so that the hot water temperature is higher. The water heater heats at 140 degrees but...


You should have the ability to reach 185 degrees. As long as the Heater is capable of reaching 185 you should be able to process that extreme without a problem. The only reason you cannot get above 140 is because the valve is limited or defective. You may have to replace the shower valve to accommodate 185.

Feb 05, 2018 | Home

1 Answer

Heater not heating at the right temperature?


Sir,

Your heater is only a 21K BTU heater. It is not meant to heat a whole house. We don't know how big you house is, however a 21K heater will not heat 4 or 5 rooms. The best you could expect out of a Rinnai 556 would be to heat a couple of rooms that are next to each other. You will never be able to heat rooms in your house that have doors or are down the hall a ways.

Good luck,

Tom Hawkins
hawkins111@gci.net

Apr 21, 2009 | Rinnai RHFE-556FAIII 21,500 BTU Ductless...

1 Answer

Goodman heats but defrosts turns on before desired temp.


Yes. The defrost cycle of a heat pump is actually turning on your airconditioning to heat up the condenser to thaw it out. During this cycle your electric strip heaters "should" be adequate enough to compensate for the a/c being on. At about 30 - 34 degrees outdoor temp there is not enough heat in the air to to adequately heat your home with the heat pump only. Some technitions will use an outdoor thermostat to turn off the heat pump when it is under 34 degrees outside. If you are to cold when its under 34 degrees intall more electric strip heaters.. But if you do this your electric bill may go up significantly.
Welcome to the wonderful world of electric heat pumps (lol).
Good luck.

Mar 29, 2009 | Goodman GMS90703BXA Heater

1 Answer

Maytag Stainless Steel & Black Electric Oven won't heat over 140 degrees


on a 220 volts stoves when the electrissity drops to 120 volts thats what it does.so oven element wires most be check for power, if it's getting 220 replace the element.

Sep 16, 2008 | Maytag MER5755QAS CleanDesign Electric...

1 Answer

Delonghi "The Incredible Heat Machine"


blows the house fuse after being on a few minutes

Feb 13, 2008 | DeLonghi EW0507 Oil Filled Radiator Heater

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