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I have a rooftop that when it runs the suction presure is in a vacuum and the high side is 150 p.s.i.

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Restriction.

Posted on Jul 07, 2008

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Posted on Jan 02, 2017

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I have a older Carrier heat pump, model 38YKC060. Does anyone know how cold it will continue to work at?


Heat pumps are of little or no value at temps around 40 degrees or below. And if you use the strips it will cost a small fortune if you have relatively high electric rates as most folks do.

Jan 04, 2017 | Heating & Cooling

1 Answer

My Coleman furnace 4322/729 model lights the pilot but won't cut in . What could be problem ? Cleared lines Complete


Gas valve not opening? Does it have the exhaust blower that pulls vacuum switch allowing burner to light?
(1) Thermostat not working? Has to complete the circuit in or gas valve to open.
(2)Can be a stuck or bad gas valve. Try tapping the side of the gas valve body while thermostat is calling for heat. Tapping,not pounding. Like lightly,yannow? don-ohio (:^)

Jan 03, 2017 | Coleman Heating & Cooling

2 Answers

Thermostat set at 73degrees , turns on and off to frequently


Hello Jean Thomson,

There are several reasons air-conditioning could go on & off frequently.

Thermostats can be set with close degree function...

Assuming your temperature variances are of no importance
the THERMOSTAT can be adjusted to be less sensitive...

BUT BY FAR... the most common reason for rapid cycling
of the A/C are air leaks and poor insulation...

Your local UTILITY provider will likely have FREE (or very reasonable) thermal analysis - evaluation programs... wit supported contractor services to improve your INSULATION and reduce ENERGY CONSUMPTION.

Also you might need to consider that your A/C system is simply poorly engineered to keep your home at a comfortable temperature...

Again... there are SPECIALISTS who are capable of analyzing your existing structure... and recommending appropriate systems sizing to economically operate efficiently....

Nothing here for the uninformed noviciate... all highly technical.

Save money... Get a PROFESSIONAL ANALYSIS..

Hope this helps!!
Carnac the Magnificent

Jan 02, 2017 | Heating & Cooling

1 Answer

Why does the dometic take so long to wash


Hello KAREN DOWLING,

The number 1 reason new generation washers take
EXTENDED times to wash... is the operators
FAILURE to read & heed the need to use te new
HIGH EFFICIENCY DETERGENTS... ("HE").

It may take a while to restore your machines efficiency if this has been going on for a while... USE of common detergents overpowers the sensors that are critical to the
PERFORMANCE of the "HE" washers and it takes
good hot water and proper cleaning agents to restore that efficiency.

There are remedial cleansers that can be purchased and used ...
or the machine my simply NOW NEED REPAIR.

It is ALWAYS best to follow MANUFACTURES
instructions...

The "HE" instruction was not a SUGGESTION...
It was a MANDATE.

Carnac the Magnificent

Jan 02, 2017 | Dometic Heating & Cooling

1 Answer

My oil furnance is running but when it reches temperature it shuts off and will not come back on until we bleed the lines


You have a small leak on the suction side of the pump between the tank and the pump. when this happens the pump looses prime each time the furnace shuts down and when the furnace tries to fire up again the saftey device trips before the oil gets to the burner.

Jan 25, 2015 | Heating & Cooling

1 Answer

Electric Furnace stopped running


You have one of two problems. Either the capacitor for the motor has failed or the motor has failed. I would turn off the power to the unit and see if you can locate the capacitor and remove it. An ac supply or electrical supply house can match up the capacitor. This is relatively inexpensive. Otherwise you will need a new motor.

Nov 11, 2014 | Heating & Cooling

1 Answer

Why does home central air conditioner will only cool to 80 degrees?


Because it is low on Freon. Do not run it low or the compressor wont be able to cool and you will burn it up. If it has run more than 1 hour in 90 degree heat the compressor is probably already damaged. Have a HVAC professional look at it, but if you were still using id plan for the worse, a complete replacement.

Jun 29, 2014 | Heating & Cooling

1 Answer

I have a Coleman Evcon electric furnace, the blower fan runs constantly and I have to shut the breaker off inside the front cover to turn it off. The switch is on auto and it runs even when the thermostat...


It could be a thermostat problem. Also it will seem to run constantly as it tries to heat and one of the elements are working which could be a sequencer problem.

Nov 28, 2013 | Heating & Cooling

1 Answer

John Deere lx178 cooling fin


If you insist on utilizing an usb 3. car charger, purchase only a brand name-name charger because they typically have a higher high quality fuse to protect your device. Tips For Longer Cell Phone Battery Life AmanStino

Jul 16, 2012 | Heating & Cooling

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