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Hi! I have a problem with an oil heating system! When I turn it on, it heat for 5 mins then stops. I have changed out the circulation pump as I thought that this was the problem. The pipes in the boiler are warm. The heat doesn't go to the radiators around the house. I Found that only 1 radiator heats upstairs. There is water in the radiators and none are air locked as i have tried them all.

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You may have many probs... 1 a poir boiler combustion. (not boiling the water) or just warming it up so it's not hot...that would mean your temperature sensor is broken or you have probs with the actual combustion process.. This could be an unsafe situation ..i would call a heating specialist right away.

Posted on Jul 12, 2008

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Posted on Jan 02, 2017

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I replace the oil pump and the oil sensor, and the oil light keeps beeping and the car is over heating, and the fan is not running


Check to see if your thermostat needs replacing. Sounds like a rad over heating problem.... oil pump problem would seize your engine...open rad cap on a cold engine, start her up and look down into rad, takes a few min but if it doesn't circulate after 4 min then your water pump or thermostat needs replacing

Jun 11, 2014 | Cars & Trucks

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Heating Circulating Water Pump Problems


Changing your circulator pump is not always an easy process.
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I will attempt to explain some of the possibilities for changing out a circulator pump. First of all I would recommend that if you are reading this and you do not have an extra circulating pump in the basement beside the boiler. That you stop by your local heating and air conditioning supply house and buy one. For under one hundred dollars it will be cheap insurance.


The very first thing you need to know is the water temperature in the boiler. If the water is hot, 140F or above than the problem is not the boiler. It is heating the water. The next thing will be to see if there is power coming to the circulator pump. Either take the electrical cover off of the circulator pump motor, or check for voltage at the source of the wire going to the circulator pump. If there is no voltage, usually 110 volts for the US, then you have to look at why the motor is not getting power. I will do another article on that issue at another time.

So now we have established that you have power coming to the motor. There is hot water in the boiler however the pipes going to the radiation are cold. The next thing to look for, are zone valves. They are little motorized valves that open and shut to direct the flow of heat to different parts of the house or building. It is possible that one of them could fail and the circulator pump is running and moving no water. Usually the circulator pump will be making a noise and often be very hot if this is the case. Of course then you need to check the zone valve. That, we will also cover later.

The first thing you need to do to change the circulator pump is to make sure that the electricity to the circulator pump motor is turned off. Verify that the power is off before touching the wires. The wires then need to be disconnected at the pump motor. Then the 4 bolts that hold the circulator pump in place need to be removed. Save these bolts, they may be needed to install the new pump. Carefully remove the pump from the flanges. A pry bar or screw driver may be needed to break the pump lose from the old flanges. Be careful of the motor, depending on the type of failure, the motor can be very hot.

If you had a responsible installer do your heating system, then you will have a valve in the piping on either side of the circulator pump. These valves will isolate the circulator pump from the rest of the heating system and changing the circulator pump will be fairly painless. If you do not have valves closed to the pump, then you will need to find the valves that will be the closest to either side of the pump and close them. For some older installs there may not be any valves and you will have to drain most of the water out of the system to change the pump.

This can get very complicated and professional help may be needed. The hardest part may be refilling the system and getting the air purged back out of the piping.

To install the new pump, clean the old gasket material from the flanges and install the new gaskets on the new pump. Carefully insert the new pump with gaskets into the flanges. Be careful not to damage the gaskets. Then install the 4bolts that hold the circulator pump in place. Tighten the bolts just so they are snug and not too tight. If they leak a bit you can always make them a bit tighter to stop the leak. Too tight may damage the gaskets. Hook up the wires to the pump motor again. Open the valves back up and check for leaks. Adjust bolts as needed. Apply power to the system and start the motor to check the operation of the circulator pump.

http://www.fixya.com/support/r3696173-expansion_water_tank_boiler_expansion

http://www.fixya.com/support/r3695967-valve_pressure_reducing_or_pressure


http://www.fixya.com/support/r3584200-boiler_leaking_water__the_boiler_leak_ma

on Dec 24, 2009 | Heating & Cooling

2 Answers

2008 zzr600 overheating and radiator gets hot


the fans should turn on when coolant is hot , I would go to a motorcycle electrician

Mar 16, 2014 | 2008 kawasaki ZX-6R

1 Answer

1999 jetta overheats until heat is on full blast


You should start by checking the thermostat for the radiator. It controls the flow of coolant to your engine. Turning on the heater allows the coolant to circulate through another type of radiator. You should also check your radiator fluid to make sure you have enough( the fluid should be changed around every 5 years).

Apr 18, 2013 | 1988 Volkswagen Jetta

1 Answer

On a back boiler central heating system my hot water works fine but cant get my central heating working i have changed the pump there are no motorised valves on the system i have checked the the expansion...


Hi,
In most cases problems with the circulator pump boil down to two problems.
The most common is air in the lines causing an air lock.
The next problem is that the pump gets stuck and is not running even though itmay be hot and seem to be running. In this cause the pump can sometimes betaken apart, cleaned and it will work, but usually it needs to be replaced.

Here is a tip that I wrote that will explain circulator pump problems in moredetail.

Heating Circulating Water Pump Problems

heatman101

May 09, 2011 | Water Heaters

2 Answers

My kia sephia 1999 get heated when it runs for long distance, i replaced the head gasket, a new radiator cap and cleaned the radiator as well. still it get heated. how do i find my water cooling fans work...


Did you change the oil and oil filter.The oil might not be circulating well in the engine if water got into the oil after the head gasket failed.You might have to remove the botton engine oil pan and check the oil pump as it might be covered with white emulsified oil.If the oil does not circulate it can cause the engine to heat up.Did you remove any trapped air in the water?There should be a bleed valve.Make sure you turn the cab heater to the hot when removing any air fro the cooling system.Check for airlock.

May 01, 2011 | 2001 Kia Sephia

1 Answer

Over heating


hi
maybe your had a blown head gasket .try pressurized your cooling sytem about 40psi wait 5 mins if pressure drop in mins you have blown head or leaks cooling system or try changed your thermostat

Jul 19, 2010 | 1995 Mercedes-Benz C-Class

2 Answers

Oil was like a sludge like , changed oil but the oil gage moves real fast then just hits bottom


Make sure you put right amount of oil (5qt.) also let the car run for about 5 min. If the problem persists then the oil pump is bad. Maybe it went bad becuase of all that sludge inside your engine. Good luck

Dec 28, 2009 | 2000 Ford Explorer

1 Answer

Amtrol 41 hot water maker :not working when calling for hot water,contols are on showing temp,but tank is cold.oil fired boiler is fine,the whole system is 5 yrs old.


Hi,
The problem is probably with the circulator pump or the zone valve, which ever way your water circulating from the boiler is controled.
The water needs to be moved through the boiler and the coils in the Hot water maker to heat water. If this is not happening then no water will be heated.
Check for power and then is the pump is running or the zone valve opening.
I hope that this will help you to solve your problem!

Thanks for using Fixya!!

Heatman101

Dec 21, 2009 | Dishwashers

1 Answer

My 2004 Mitsubishi Endeavor is overheating, I noticed it last night when I turn the fan on to high heat the gauge will drop to a normal temperature. I checked the fluid level that?s ok, and opened the...


Hi,

Lot of possible reasons. Some of them very stupid, even though I mention it here, sorry:

1. Thermostat regulating the cooling fluid flow - works correct?
2. Enough cooling fluid? Not leaking from somewhere?
3. Level of engine oil? Its quality? (If dirty or low oil, heat can not spreed into oil - oil is cooling subsatnce as well. If low oil level - you know what, engine is not lubricated etc.)
4. Water pump works correct? No pump, no water circulation.
5. Any dirt in the water circulation system? Piece of rock, shred of rag, maybe some sediments (can figure out only after disassembling the system = lot of garage work).

I had one friend who complained about his mazda MX3 quick overheating. My first question was, if there is cooling fluid and he told me "Of course!!! - I was in the garage yeasterday evening and fluid was refilled." The engine was hot and smoking badly after 3 mins of calm slow ride. Next day he called me with curious finding - there was no cooling fluid at all, was leaking out from the radiator. Thanks for contacting Fixya.

Jul 01, 2009 | 2004 Mitsubishi Endeavor

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