Why is my boiler running but no heat?

If your boiler works but the radiators are not heating up, then likely cause could be a faulty boiler pump or your central heating controls. If your boiler works but the radiators are cold, check that the thermostat or timer is working correctly.

What causes boiler flame failure?





The flame failure trip in a typical boiler can be due to one of the following reasons: loss of ignition; fuel valve closed, unstable flame, low airflow, very high furnace pressure, dirty flame sensor and loss of electrical supply.

How do you light a peerless boiler?

Push the red reset button on the right hand pilot. Press it all the way in and hold it, then immediately light the right hand pilot with a match. Hold the reset button in for one minute after the pilot is lit. Release the button and let it pop back out.

Why is my water boiler not heating?

A broken diaphragm, motor valve, and malfunctioning thermostat are a few reasons why your water boiler produces no hot water. Fixing this issue is easy by replacing the damaged parts and requesting help from experts.

Why is my heating not firing up?

Low Thermostat: The boiler may not fire up if the thermostat is set too low. Your heating system won’t start until the temperature of the environment is below the temperature set on the boiler. Increasing the thermostat will solve this problem.

Why are my radiators cold when the heating is on?





Why is one radiator cold when the heating is on? One cold radiator usually indicates that either there is air in the system or there is a stuck valve within that radiator. The thermostatic radiator valve (TRV), like the one pictured below, controls the flow of hot water to the radiator.

How do I fix the flame on my boiler?

Quote from the video:
Quote from Youtube video: And if your boiler comes up with a fault code like some sort of flame loss then it's definitely blocked up and you just want to get a kettle of hot water and just pour it over. And that should do it.

What do you do when your boiler says flame loss?

F2: Flame loss



Firstly, check other gas appliances and you could try to reset your boiler. This fault typically occurs with older boilers and low-efficiency systems, so it may be worth considering getting a new boiler installed.

How do you fix a flame loss on a boiler?

Ideal boiler flame loss can be fixed by first, checking your other gas appliances and trying to reset your boiler. This kind of fault tends to occur with very old boilers that are working at low efficiency, so it may be worthwhile to simply invest in a new boiler.