WebFeb 7, 2024 · If your combi boiler fires up then turns off, this is likely to be the 'preheat' function. This is nothing to worry about and simply ensures there's some hot water ready to be sent to the taps when you need it. However, if it keeps firing up then quickly turns off again, this could be a sign of short cycling. A short cycling boiler will likely ... WebJan 20, 2011 · The boiler is heating the water, then the water leaving the boiler gets too hot so the boiler shuts down until water leaving the boiler is cool again, and then …
Intermittent Hot Water - RJ Gas Appliances Limited
WebNov 8, 2011 · 8 Nov 2011. #15. rwharry1 said: I have had the same problems described here regarding intermittent loss of pressure on my Grant Vortex Combi 36kw. Have fitted brand new expansion vessel and PRV and no obvious leaks (either on CH system or boiler). Apparently Grant have had problems with the control panel on these models - … WebAn issue with fuel ignition. Clogged or dirty air filters. Loose ducts. A loose blower fan. Cracked heat exchanger. Sediment build-up (in a water heater) Worn out fan belt. A leak. More likely than not, your furnace or heating system will make a specific type of noise to alert you to a potential problem. good first pets for kids
Rinnai tankless - intermittent hot water and no error code
WebDec 15, 2010 · Dec 15, 2010. #1. I have a warmflow boiler in the back garden and a horstmann programmer in the kitchen to control the heating/water which is linked to 3 … WebMar 23, 2024 · 3. Excessive Water Pressure Buildup. High water pressure is a leading cause of boilers that run without a pattern. When there’s too much pressure in the … WebSep 10, 2007 · Sep 7, 2007. #1. Over the last few days our central heating boiler has been acting very strangely indeed. Currently we are only using to heat the water up in the tank … healthspire reviews