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Fix Fault Honeywell

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We have 107 questions about fixing 'honeywell' in category Heating, Home Heating Systems which have been answered

no heating on my prima60f?

i have a potterton prima 60f, my room thermostat keeps blowing the fuse on the honeywell contol, so no not water, the hot water works fine
home Fix label Heating label_important Home Heating Systems category Pottertondone

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless programmer. Unfortunately, I am finding it quite difficult to program this unit as the Honeyw ... more
home Fix label Heating label_important Home Heating Systems category Honeywelldone

where can i buy a new solenoid for my honeywell gas valve?

I have a stuck solenoid on a honeywell gas valve, and would like to replace it, can anyone direct me to a local merchants in rainham where i can purchase one
home Fix label Heating label_important Home Heating Systems category Honeywelldone

C H Boiler heats D W only ie no C.H?

My C.H. system is fully pumped ie radiators & cylinder circuits with both room & cylinder thermostats. Could it be the honeywell 3 position motorised valve stuck in one position ?
home Fix label Heating label_important Home Heating Systems category Honeywelldone

c h boiler heats HW supply only,no central heating?

My system is a fully pumped central heating installation, with room & cylinder thermostat. Could the motorised mid position honeywell diverter valve be stuck in one position
home Fix label Heating label_important Home Heating Systems category Honeywelldone

Ideal W Stelrad Group boiler RS450 1239(3)?

The domestic hot water is not hot anymore, it is warm. The radiators are not hot either. The boiler setting is 5 and the Honeywell hot water tank is set to 70. The pipes leading from the hot water t ... more
home Fix label Heating label_important Home Heating Systems category Honeywelldone

My Potterton 80e often doesn't start up anyone know why?

My Potterton 80e gas central heating and hot water boiler often won't fire up on its own . We tend to have the Honeywell timer control set to Continuous in winter, and run the hall thermostat at 20 ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

what is wrong with my isar boiler/honeywell thermostat?

my wireless thermostat is turned off but my boiler stays on.
home Fix label Heating label_important Home Heating Systems category Honeywelldone

Why can we only get heating when hot water on also now(Dual programer)?

We recently needed to replace head valve due to pump over run problem.(Boiler is Potterton Profile) On putting Potterton EP6000 programmer back onto backplate, screen was blank,so replaced this with n ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

No heating,but have hot water?

I have an Ideal Boiler elan 2 50F, the boiler comes on when hot water is required, however heating does not. Raidiators will only warm up when hot water is required. i have changed the Honeywell 2 por ... more
home Fix label Heating label_important Home Heating Systems category Honeywelldone

Ravenheat CSI 85AT fires up and goes of every 20 seconds?

I have a Ravenheat CSI 85at that is just over 3 years old. This is the one that does NOT have the honeywell gas valve and red ignition PCB or pilot light. The problem is that the boiler on CH demand ... more
home Fix label Heating label_important Home Heating Systems category Ravenheatdone

Baxi Solo 2 60PF?

System fine when for Central heating but the boiler does not fire up for Hot water, when we just set the timer clock for that. Both these are controlled by a honeywell timer device
home Fix label Heating label_important Home Heating Systems category Honeywelldone

My Potterton Prima F80 is not shutting down?

After many years of service my boiler has just developed a strange fault. Even though the time controller (Honeywell ST6400C) is in the 'off' cycle, the boiler is still running. It shuts off periodica ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

heat but no hot water?

I have a potterton prima boiler and the heater and hot water timer is Honeywell. The Heating is stuck on regardless of the timer setting. The hot water light comes on but does not heat the water a ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

Maclaren UK48/RBB05 gas valve replacement/equivalent?

Does anyone know where I might be able to get the above gas-valve ? It is for a Glow-Worm spacesaver 38BF. Tried lots of places but no luck so far. I've heard there is a Honeywell equivalent but don't ... more
home Fix label Heating label_important Home Heating Systems category Glow-Wormdone

HOW DO I SET IT?

I just moved into a new house. We have a Honeywell ST1000. Please could you tell me how to set the timer as we can't seem to find the manual.
home Fix label Heating label_important Home Heating Systems category Honeywelldone

Worcester Oil Boiler?

I have a Worcester Danesmoor SLPJ 20-25 oil fired boiler which is fitted with a twin channel programmer and Honeywell “Y” plan with a 3 port mid position valve. I only use this boiler for central ... more
home Fix label Heating label_important Home Heating Systems category Worcesterdone

VCW GB 242 EH Valliant Boiler?

I have elderly boiler above which seems to have a life of its own. For some reason it ignores the thermostat and fires up the boiler despite the wall thermostat saying it is off. I have replaced wall ... more
home Fix label Heating label_important Home Heating Systems category Honeywelldone

new programmer fitted?

i have replaced my old honeywell programmer with a new grasslin QE2 programmer and now i have no heating
home Fix label Heating label_important Home Heating Systems category Honeywelldone

Potterton Promax 24HE - No Central Heating?

Since the weather turned colder a couple of weeks ago we have been unable to have heating without the hot water being on. Once the hot water reaches the desired temperature, the boiler shuts off and t ... more
home Fix label Heating label_important Home Heating Systems category Pottertondone

Fix Fault - Heating, Home Heating Systems

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Fix Fault - Heating, Home Heating Systems

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