Q: Once the car reaches operating temperature, the radiator fans come on, they wont turn off untill the car is turned off, Why and how can I fix this? Sign up for a new account in our community. For safety, the radiator neck is designed so if there is pressure in the cooling system, the cap cannot blow off when loosened. I need 20kg of gun powder, in the next 20hrs. My radiator fan won't turn off. It's usually at the lowest point (ie, ground floor) and has a small tap on one side of the thermostat. Put your own text advert here and link it to your site for just £10+VAT per week. Turning the other valve does nothing. Is there something I can do to fix it easily? It if still won't twist, you'll need to remove the thermostat. Al takes you through the most common types of radiator valves. My wife's 99.5 TDI Jetta has a problem that the electric fans behind the radiator wouldn't shut off after driving the car. This will save you money. If it won't run, chrome it. Not sure which way to turn your rad valve and need to turn your radiator off? No if I turn it off all the radiators go cold. The valve you’re looking for will have a numbered dial on it, to adjust the heat the radiator gives off, and is usually found on the bottom of the radiator. Aug 13, 2018 #2. A. Allan Paredes New Member. Firstly, make sure you can't budge the thermostat. Heat won't turn off: Troubleshooting & repair when there is too much heat or when the heat won't turn off, This article explains where and how to turn off the heat if simply turning down the thermostat does not stop un-wanted heat coming from heating radiators or baseboards. its not as hot as normal, do I feel an expensive repair coming on. We sometimes get questions from people with radiators that produce heat, even when the heating is off. Sep 25, 2018 #3. This article is a little different and is less common than the other problems. All you want is a normal compression fitting thermostat, available in B&Q for about a fiver. It's easy! What do you think of the answers? Get answers by asking now. It turned out our valve would get stuck, not all the time but often enough to drive us mad, the radiators were mad hot and the water wasn`t hot enough when we asked for both and sometimes the rads were ok and we had hot water when we hadn`t asked for any. Put the heating on the other day (once DH had opened all the radiator valves), then the weather warmed up so I tried to turn it off. cooling fan will not turn off. We`ve got a back boiler. firstly, turn off your central heating. Is the accessories still on like radio and cigarette lighters? If you turn the upstairs radiator valve right off, then the downstairs radiator will get almost as hot as the others. Honda Civic 1991, 180k miles, 1.5L 16V engine. Firstly, make sure you can't budge the thermostat. ... Also, only 1 relay seemed to be affecting my "never shutting off" radiator fan but I bought 2 brand new OEM relays on ebay for $7. S. SolaceMan. ), those thermostat valves are a right royal pain in the thermals. Then I was driving a while (a wk or so) with de-mineralised water in the colling system to give it a good flush, then I put antifreeze in it. POSTS ON THIS FORUM ARE NOT ACTIVELY MONITORED. 4. If the unit doesn’t turn off then you may need to cut power to the whole system. We have a radiator in our bathroom that is way too big for the small space and the bathroom temp is frequently in the upper 80s. how to dispose of near-full expanding spray foam can? (12 Posts) Add message | Report. Have your rads fitted with thermostatic valves. I live in San Franciisco in a 1920's 12 unit building. But first, you'll need to drain down the system. Step 2: To close the valve, turn the valve clockwise to 0 on the dial. It depends on your set up. Thermostat is on 0. Collier, as teabreak says, just turning the TRV down to, say, 1 will not turn the rad temp down - if the room is cold.The numbers on the TRV correspond to room temperatures (3 is roughly around 20oC , I think), so the TRV - and the rad - won't turn off until the room is at that temp. The valve on the radiator regulates the temperature in each room individually. Powered by Invision Community. any pants experts know how to do these dark indents along the seams? Then, remove the lockshield’s plastic cap and use a pair of pliers to turn the spindle of the valve anti-clockwise until you can’t turn it anymore. I cant get the radiator fan to turn off. Then, make sure the valve at the bottom rad is done up tightly and allow water to go back into the central heating system. See thread in Sheffield Discussions for details, Support Needed For The Entertainmant Business. radiator fans won't turn off A small introduction to my problem: I had a small leak from the radiator, this has been taken care of. Now that I am home, the fan wont turn off again. Most of time just maybe up to a minute of running the fan. if they are fitted together securley and not to old they work fine but in time they will start giving problems when adjustment is needed or if you need to take the rad off have some towels ready because ill bet a pound to a pinch of sh*t it wont turn off properly.anyway in your case to stop the rad heating up quite simple pull the plastic cover off the right hand side you will see a small rod with a flattend end use a adjustable spanner and turn the rod clockwise until tight dont overtighten. A plumber would charge over £100 for that. Almost. But it gives much more flexability. Yesterday the fan stayed on for few minutes after engine already off. someone asked about the hot water, does that make a difference. Although I don't have one. Some of them turn off when the clock turns them off. You do have to do it room by room. The computer turns the cooling fan on and off when it receives a temperature indication from the coolant temperature sensor. EDIT: Apparently RM is a plumber trying to save his livlihood. Usually, this is not a big deal. Hotter than that any pants experts know how to do it room by room do to fix it easily after. You refill to help make this website better remember to close them before you!. Hotter than that people with radiators that produce heat, even when radiator won't turn off clock turns them off want... Came out the pressure release new account in our community to change anything to.. Locate the thermostatic valve on the other side of the thermostat its been fine up to a minute running... 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