Question about Intertherm P3RA-036K Air Conditioner

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Vent ducts what type of matrial does this unit use for the cold air line on a mobil home i need to replace it

Posted by Deloris matusicky on


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Try to match the original ducting. Other than that, any ducting material will work, including the the thin aluminum piping sold for dryer vent.

Posted on Jul 15, 2007


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The right type of vent for a moble home

Some vents are adjustable where as you can turn them at the angle you want get those if you can,the vents dont have to be for mobile homes only. Take one of your older vents to an air conditioner parts store they should be able to match one for you.

Nov 13, 2013 | Heating & Cooling

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Proper vents for a mobile home

The amount of air that flows to each room is determined by the size of the ducts. Once pressurized all rooms should already be balanced. The diffuser may alter the direction of the air but the hot air will quickly rise and the cold air return from the furnace will such the colder air from all rooms at once down the hallway. Hence the diffuser is doing it's job, It does not need to be replaced. Trailer sized diffusers are difficult to get and match. If you cut the hole size larger to allow a house diffuser you may have unbalanced the amount of heat for each room... if you cut them all larger then it is back in balance again. Weather the air goes up or sideways is just personal preference. You can get magnetic shield to divert the air if you please for far less money.

Nov 13, 2013 | Heating & Cooling

1 Answer

My furnace isn't heating my house. I was wondering if this was because there is a vent from my cold air duct to the outside thus drawing to much cold air into the system. Should this vent be closed in...

If this vent is connected to the return air duct line back to your furnace I would close it off. The only reason that I can see for having a vent to the outside is if you need more combustion air supply.Thank you.

Feb 21, 2011 | Heating & Cooling

1 Answer

Air conditioning blows cold through the defroster vent.It quit blowing through the dash vents completely.

Your control valve for your duct work is having a small problem, its just not opening. The duck system work lid the heat/ac ducts at your home. The only difference is you can control through a vacuum controlled valve where you want the air to flow. What has happened, is the valve has shut the system at the neck( where duct is connected for all the vents) There are three areas that could be wrong. 1- a vacuum line has come apart or broke( they are just made of rubber). The line would have to be replaced. 2- the controlling valve is stuck, and either needs to be unjammed or replaced. 3- your control unit(mounted on the dash, the one you use to adjust everything) has gone out. Being you have an older car(great year for caprice)you also have some cables on the control unit. One of these may have gave way(broke) or the plastic clips that hold them may have snapped. You can manually ope the vents from under the dash. It will be under the center toward the passenger side. You will see the ducts leading back to your control box. you can also see the rads and control lines there. just adjust the arm til you get air in the vents. its a tight fit, smaller hand work great for that. I hope this helps you

Jan 05, 2011 | 1987 Chevrolet Caprice

1 Answer

My ducted heating continually blows cold air thru

Well, if need be, turn the breaker off. Turn it on when you need heat. Sounds like the fan relay is sticking or something if that sort. Is the tstat fan selector on auto?

If you need further help, reach me via phone at

Jun 17, 2017 | Heating & Cooling

2 Answers

I have a dometic duo-therm. No air coming through ducts.

Sounds like the ducting have come apart in some areas or blocked in some way. Take the supply grills off and with a shop vacuum try and reach as far as you can.

Mar 18, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Cold air coming from the intake of the central a/c unit. The unit is switched off and it is winter, so why would cold air come from the intake

Thanks for your question,
Just a couple of questions first, is your ducting insulated ? is there a fresh air intake on your system ? if either of these is the case, the first would be that you need to have your duct insulated, it is good practice to have them insulated as it will save you money down the road as to not have as much heat loss or cold air from the duct escaping into the home, second if you have a fresh air intake, alot of times that is where fresh outside air would be coming in from, there should be a damper on the venting, if there isn't I would suggest having one installed, normally it is installed on the return side of your ducting. Hope that was helpful, please leave some feed back as to how we did, thanks again,

Jan 23, 2009 | Carrier XHB123D X/Y Series Heat/Cool Air...

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Central Air Conditioning

It sounds like a restriction in your ducting. Feel the A/C vents in the hot rooms to see if cold air is blowing out of them. If the ducts are restricted, then it is possible that the air conditioning coils are freezing up from lack of circulation. Inspect the ducts if you can to see if there is any restriction.

Note that even if you feel air coming out of the ducts, it could be ambient as opposed to cold. The best thing is to measure the air temperature coming out of the ducts. It should be around 20 degrees colder than the ambient air at the intake of the A/C.

Sep 03, 2008 | Computers & Internet

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