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Is the boiler still running even with the programmer off?

Is the boiler still running even with the programmer off?

Felt the radiator in the bedroom and it was red hot. Checked the room stat (DT90E) on the landing and the temp was showing 25C set at 21C. Checked the programmer and both heating and hot water were off, the boiler was still running. Radiators cold downstairs and room stat 20C set 21.5C.

Why does my boiler turn off every few minutes?

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. If the boiler fires up every few minutes it is using gas but not heating your home.

What kind of boiler fires up when hot water is turned off?

Boiler fires up when heating and hot water are set to off. Had our Glow Worm Micron 40FF boiler and Megaflo system for a few years now, already fitted to the house when bought it, and it has always randomly switched itself on for only a few minutes even with the timer settings, Danfoss FP715, set to off.

When does heating and hot water set off?

Boiler fires up when heating and hot water are set to off. Boiler fires up when heating and hot water are set to off.

Why does my boiler turn off when I Turn on the heat?

You can check boiler pressure by looking at the pressure gauge on the boiler. If the pressure is too low then the boiler will turn off. The leading causes of low boiler pressure includes a leak somewhere around the heating system. Check all of the radiators, pipes and around your boiler for water.

What happens when I Turn Off the programer heating?

So if we manually turn the programer heating to off or the programmer automatically as part of the program turns it off, heat still gets chucked out of the radiators and the boiler still remains on and the pump in the airing cupboard.

Felt the radiator in the bedroom and it was red hot. Checked the room stat (DT90E) on the landing and the temp was showing 25C set at 21C. Checked the programmer and both heating and hot water were off, the boiler was still running. Radiators cold downstairs and room stat 20C set 21.5C.

Can a Honeywell boiler be switched off permanently?

Boiler is a Worcester Bosch 19/24CBi. Programmer is a Honeywell St699. The installation is about 5 years old. The boiler is now ignoring the programmer and both the water and CH thermostats and therefore runs permanently. It can only be switched off via the main switch.