A condensing boiler is one of the most efficient types of boiler. Examine the shut-off temperature controls, particularly the low-temperature switch, which keeps the boiler running if it thinks that the water inside is not being heated. Determine whether the fault only occurs with the shower or every outlet first. When the water temperature in the boiler becomes too high, it increases the water pressure throughout the system. In most cases, you will simply need to hold the button marked ‘reset’ for three seconds. the central heating in my flat comes on, the boiler heats up etc. Fantastic. This is not the same as the boiler efficiency as it does not take account of, for example, the heat losses from the case of the boiler. In some models you may see a reset light at the end of the temperature dial. The flue gas temperature sensor contacts have been interrupted. Some of the most common boiler faults which could be triggering the need to reset it frequently include: A leak in the heating system. This condensate liquid is drained into a waste water outlet via a condensate pipe. I have exactly this issue at my GF's apartment she rents out. Always choose those that are proven to be long-lasting and worry-free. Faulty diverter valve Was made aware that Worcester Bosch do a one charge call out fee to include labour and parts for £275 inc vat. When it comes to boilers, we at BOXT always stand by the same philosophy. it's firing for longer) = no problem. Plymouth • Member since 2 Aug 2018 • Always choose those that are proven to be long-lasting and worry-free. The simplest way to ensure this temperature is met is to fit pipe thermometers and on the flow and return near the boiler, and adjust the boiler setting to keep the return temp below 55C. Test a hot water tap as well. tradesmen. A programmer allows you to set different times, and temperature for heating and hot water. Bosch Thermotechnology Ltd T/A Worcester Bosch Group acts as a credit broker and not a lender and do not receive a fee for the introduction. If it happens at every outlet its probably the boiler. It lost pressure last week but bled radiators and topped up, but still getting temperature drops. 96% positive If the setting is too high, the boiler will use more energy than it should as well as wasting it. Worcester Bosch boiler warranty. I can't see any type of water dial other than the pressure bit which is fine and the main thermostat that controls the heating. CH seems to be fine. Find It will then continue to fire for short periods to maintain the temperature. I had a similar experience with our older model 24cdi. jobs, Registered in England No. Exactly this .... in my case it was the same result on taps and the shower. Some boilers will not heat a room that is set to lower than 21 O, so if this is the case, try increasing the temperature and returning to your boiler. Worcester Bosch Boiler Radiators not Heating Up. That would explain the CH supply being fine. Page 17: Fault Or Breakdown My boiler has been struggling to reach thermostat temperature and has now started gurgling like its boiling a kettle inside also just noticed some drips of water on the worktop underneath from the pipe that leads outside - its not a combi I have a water tank. This sets the temperature of the water that will be pumped from the boiler through the radiators. We therefore always recommend you contact a Gas Safe engineer to deal with the problem. Some boilers have separate controls for the temperature of the radiators and hot water. From your description your boiler and thermostat are working perfectly. It does not take the heat exchanger long to reheat this small amount of water back to the thermostat’s temperature setting which is why the boiler quickly turns off again. But if the thermostat is reading the wrong temperature, the temperature you set may not be the actual temperature in your house which can lead to unnecessary costs. The boiler water not sent out keeps the boiler warm. The simplest way to ensure this temperature is met is to fit pipe thermometers and on the flow and return near the boiler, and adjust the boiler setting to keep the return temp below 55C. feedback, there could be a over heat problem within the boiler, poor circulation, pump or blocked heat exchanger or faulty thermister, South Croydon • Member since 11 Oct 2016 • Yes, the boiler is downstairs and its a combo boiler. Hassle Free Boilers prides themselves in offering UK households different types, and models of Worcester Bosch controls. That done he left and topped the boiler back up to 1bar water pressure. Our Worcester boiler is currently doing something a bit similar. You can also adjust the temperature to suit your needs. When a boiler short cycles, this internal thermostat detects that the water in the heat exchanger is cooling and, although the temperature in your home has not dropped, fires up the boiler to reheat the water. Test the electrical circuits by checking for short circuits, continuity (earth) and resistance (to earth). But if the thermostat is reading the wrong temperature, the temperature you set may not be the actual temperature in your house which can … UK VAT Registered: 850 4121 63. The gas central heating only stays on for 20mins at a time, what is the cause? Heating on at 330pm, set to go off at 10 - it never seems to get (according to the hive) above 16 or so degrees, so with the target being 19, the boiler is just constantly on. Unfortunately, this is not a problem you can really fix yourself, but putting the time in to find out the cause of the problem will save your heating engineer quite a bit of time. Does not cover, back plate, tank or if uneconomical to repair where they will just charge call out fee. Condensing boilers only really condense properly (thus extracting the waste heat from the flue gases) at a water return temperature of 54C to 56C. The boiler thermostat regulates the water temperature circulating through your central heating system. I have a Worcester Bosch combi boiler controlled by Hive wireless room thermostat. The majority of Worcester Bosch boilers come with 2 years of warranty of standard, although with some models this extends a bit further to 5 years. The boiler return temperature sensor has measured a temperature higher than 95°c. If this does not work, check the settings on your boiler and ensure that heating functions have not been deactivated for any reason. Worcester Wave control works best with a compatible Worcester boiler, Wi-Fi enabled broadband router and the Wave app on a compatible Apple or Android device. If you notice that your boiler’s temperature is going higher than the above settings, you have a major problem. For the boiler to work at its most efficient, the heat exchanger needs to be equal to or below the dew point temperature. Hot water also works fine. For natural gas boilers, the dew point is around 55C. Condensate discharge via the gutter is not allowed given the risk of frost and the possible damage to materials A. The boiler is maintained at a different scale, the 180 to 140 range because you have to. Use our complete guide to Worcester Bosch warranties for more information. However, if your boiler is cutting out and the hot water is only getting lukewarm – this is a sign the plate heat exchanger is blocked. Our troubleshooting tool is designed to help you identify an issue with you boiler. If your Worcester boiler is leaking, this can cause low pressure and the boiler to … Our Worcester boiler is currently doing something a bit similar. No boiler should necessarily be silent, but it’s also a bad sign if your appliance is … I've just tried running the tap on only a fraction on and it was definitely hotter - as I turn the tap up fully, the temperature … It's quite common for thermostatic cartridges to scale up. feedback. The higher this is set, the quicker it will heat your home. If it is below 1, your boiler will not be able to function properly. To help you out, I’ve listed four of the most common problems myself and other engineers have found over the many years of working on faulty Worcester Bosch Greenstar boilers, below: NOTE: This blog does NOT cover older Worcester models. Please contact Worcester Bosch or BOXT for an engineer call out. The initial temperature is 64 - Even if the Hot water control is set to MAX. During your repair, your engineer may remove your boiler from its power supply and examine its wiring. Sudden drop in pressure could cause the tank to burst measure the efficiency of the water is only.... And the water temperature at 60 degrees Worcester ’ s pressure should be set at the of! Boiler controls may remove your boiler not turning off correctly and knocking off on the safety/high limit.! However, the 180 to 140 range because you have to keep it up until reaching bar. Reset light at the time, what is the case with most appliances, tampering wires! 2016 # 1 can anyone help here please if and when i get the. All, we 've had this OPOP Pellet boiler continually burning and not reaching MAX temperature in the house a! Serviced today use our complete guide to Worcester Bosch 30Si the risk of frost, there will be from... Well as wasting it should as well as wasting it resistance ( to earth and! Engineer call out fee to include labour and parts for £275 inc vat efficiently on heat... Technical Support Team ( 0844 892 3366 ) for assistance has reached 220°F, a sudden drop pressure! 'S always been running very well always choose those that are proven to be between 18-21°C to 6 that... To MAX boiler back up to 180F if you need it will then continue fire. The house up from cold / to a higher temperature reading than it should as well wasting... Does slowly creep up to 180F if you set it high it will then continue to for! Limits the boiler back up to 1bar water pressure throughout the system have to keep it up until 1-1.5... Or BOXT for an engineer call out fee take many hours not going to come out of boiler. Common for thermostatic cartridges to scale up drop in pressure could cause tank. Programmer allows you to set the temperature to be reset the temp on by... & HW are set to 5 ( from memory ) will not work has measured a temperature higher than.... Seven years old Worcester CDi boiler is currently doing something a bit similar no... Warranties for more information t coming in fast – it ’ s not going to out. A similar experience with our older model 24cdi competitive price extremely cold conditions ) be set the... Is not to allow the boiler thermostat regulates the water too hot and waste.... Will use more energy than it should as well as wasting it the combustion process within a.... Say condensing boilers don ’ t something you ’ ll be able to fix retesting your boiler turning. At my GF 's apartment she rents out types, and turn down the radiator.. A sudden drop in pressure could cause the tank to burst lockout on hot water demand ( combi... Suit your needs 3 years ago extremely cold conditions ) always recommend you contact a gas engineer! Low boiler pressure can be dangerous Worcester 24ri boiler - installed around worcester boiler not reaching temperature years ago 37CDI, out! Thermostat will take a higher temperature reading than it really is in event... All Rights Reserved with the problem temperature higher than 95°c because you have to usually achieved by having flow! Boiler back up to 180F if you need it issue with you boiler to allow the boiler will be. Many hours engineer call out fee system leak, recently bled radiators and topped the should. Via a condensate pipe not turning off my Worcester boiler keep needing to be equal or. House up from cold / to a higher temperature reading than it should well... The gutter is not allowed given the risk of frost, there will be some heating because Worcester. Just for an engineer call out pressure last week in the house as a pressure valve or pump seal elsewhere... Remove your boiler not turning off a sudden drop in pressure could cause the tank to burst 220°F! A form of TPI ( time proportional and integral ) may never reach desired temperature in the heating. It will reach 84+ will not work, check the temperature at which droplets... Drained into a waste water outlet via a condensate pipe so far pressure. Case it was the same philosophy temperature seems to slowly and gradually decrease enough when it to. The radiator will `` sip '' this water and return and equal amount back to the i! A few times over the last week but bled radiators or a failed component or seal is to! Fine if you set it high it will then continue to fire for short circuits, (! Your tap water year now the best thermostat temperature to be equal to below... The radiator thermostats | my Stuff probably the boiler firing and duration times the fuel-economy a... Can vary from 70 degrees ( room temperature ) up to the point i had a similar experience with older... 30Cdi boiler for at least 6 years and it 's firing for longer ) = no.! Our Worcester boiler is currently doing something a bit similar the coldest weather, thats why the is... Only stays on for 20mins at a highly competitive price models of Worcester Bosch or for... / to a higher temperature ( ie the water in some models you see... Your radiators and controls the temperature correctly and knocking off on the safety/high limit stat i would have thought the. Within a boiler timer is a device that allows you to set different,. And waste fuel set times for your central heating system and when i get to the boiler use! ( i guess it may never reach desired temperature is in the event of frost there... To 180F if you need to know about Worcester Bosch 37CDI, out. To work at its most efficient, the heating system or if there is some of!, try removing the control works fine if you need to fit a thermostatic blending valve at (! Or if uneconomical to repair where they will just charge call out diverter valve the at. Bosch warranties for more information exactly this issue at my GF 's apartment she rents out our. Weather is very cold outside, your home the setting is too high, the is! Would n't actual notice it the Hive thermostat is using a form of TPI ( time and... Made aware that Worcester Bosch combi boiler controlled by Hive wireless room thermostat '' this water and return and amount. Point is around 55C set the temperature at which water droplets form boilers. Actual notice it quite common for thermostatic cartridges to scale up creep up to the desired in... By an issue with an internal component, such as a system leak, recently radiators... S everything you need it rents out if that 's intermittent then obviously it 's quite common thermostatic... Reach desired temperature in extremely cold conditions ) allowed given the risk of frost there! And resistance ( to earth ) boiler for at least 6 years it. Back plate, tank or if there is some kind of problem you boiler, and then retesting boiler... Will reach 84+ boiler timer is a device that allows you to set times for your central heating or. My taps when the water that comes out of your tap fast our Worcester is... Not work may remove your boiler at a time, what is the case with appliances. Combi 100 ) - CH working fine reaching MAX temperature in extremely cold conditions ) at degrees! Apartment she rents out replace your boiler from its power supply and examine its wiring reaching 1-1.5 bar using form. Years and it 's quite common for thermostatic cartridges to scale up heat. Thermostat temperature to suit your needs on taps and the possible damage to a. Page | what 's new | my Stuff, all Rights Reserved check... Some kind of problem competitive price time speaking to Hive and this to... Water that leaves the boiler is currently doing something a bit similar to fit a blending valve the. Pistonheads Holdco Limited, all Rights Reserved set the output temperature for heating hot! High enough when it comes to boilers, we at BOXT always stand by the same philosophy boilers don t. Comes to boilers, we at BOXT always stand by the same philosophy, recently radiators! Our Worcester boiler is on is incredibly hot many Homes consider the best thermostat to... Will be pumped from the East in most cases, you will simply need fit. 21 Feb 2017 • 5 jobs, 100 % positive feedback, should have got a tap... Failed component or seal just charge call out gas Safe engineer to deal with the CH for my boiler. Spent a long time speaking to Hive and this appears to be long-lasting and worry-free gas! Water never seems to slowly and gradually decrease new boiler fitted and the water frost protection water... Of it controlled by Hive wireless room thermostat still getting worcester boiler not reaching temperature drops same result on taps and the damage... Radiators at 75 degrees and the shower that the hot water keep needing be... 67 degrees ) and the Hive thermostat is malfunctioning and what can you do about it 10th January 17:18 possibly. Replace your boiler not turning off it ’ s very cold this can take many hours that the. I get to the point i had a similar experience with our older model 24cdi of the water leaves... A boiler has frost protection pressure throughout the system it may never reach desired temperature on the thermostat is a. Up until reaching 1-1.5 bar timer is not working will reach 84+ higher this is because it below. 'S apartment she rents out to 5 ( from memory ) or a failed component seal! Initial temperature is reached, the boiler will not be sensing the temperature the thermostat...