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I've edited my post to show what wires you swap from old terminal number on the current clock to the st6400 clock. I wouldn't advise linking anywires for a temporary fix as I saw the burnt out shell of a building where someone tried that once. If the terminals are showing signs of burning it's...

If you can't get one I have a honeywell st6400 time clock in the van and I live near Malton.It should interchange easy enough. 5day 2 day or switchable to 7 day setting options. Are you sure that is your problem though? st 699 st6400c L to...

Where in Yorkshire are you ?

When your fire was changed I am presuming it was changed to one that says no additional ventilation is required,i.e. under 7kw input of gas? If this is the case then you need to know wether your gas installer blocked off the ventilators before doing a spillage test,if he didn't then you need...

Pull the control knob off and have a look on the backside it should have a flat edge that corresponds to a flat side on the spindle.Sometimes the flat side rounds off as it is only plastic,if this is the problem then you only need a new knob,if that isn't the fault then get a registered gas...

You will have got air in the fuel line and it will need bleeding on the pump itself.If you keep pressing that button chances are you will seize the pump as it will be full of air.Get someone in who knows what to do or it'll cost you more if you knacker that pump.

I think Gavinda here has misread something and Fazedup and Stingray followed him. It says he wouldn't stop using it SO I WENT STRAIGHT AWAY. I asked him to stop using the appliance while the initail phonecall was made to me and He WOULDN'T. I myself, never made any reference to...

I think what he means is that With the system set to run try unscrewing the centre big black nut, when you pull it outward tip it to the side and you should feel the spindle moving if you can't the the pump is stuck and needs replacing.Even if you feel humming it could be the motor coil working...

I can make you a cabinet out of pallets for fifty quid (two hours to knock it up). Or a fine craftsmen made oak one with proper joints and assembley methods for about £3600 - £3800. One will drop to bits in a few weeks and the other will last ten to fifteen years. Take your pick. Do you...

Flows and returns should always be opposite corners to ensure even water distribution. And at the cylinder the pipes at the side going into the coil should be flow at the top(with the expansion/vent pipe) and the bottom is the return(with the cold feed pipe tee'd into it). The thermostat...

Not necessarily the cylinder coil, it could be the pipes themselves.Check they are rising all the way.It has been known for pipes that are level or sloping the wrong way ever so slightly to workwhen eventually vented of air. Who can say the problem wasn't there when the original boiler was...

If it Has a Thermostatic valve,remove the head and see if the pin is stuck down? Quite a common fault as they get older or been stood over summer.Give the pin a gentle pull with your pliers to release it but be carefull you dont pull it out.Sometimes they need working in and out a bit but If it...

I think this thread should be emailed to the HSE as it proves why spares of any description shouldn't be sold to unregistered installers. I went to a baxi bbu the other week never been serviced EVER spilling fumes he said,wouldn't stop using it so I went straight away and the heat exchanger...

Hi, Check the baffle is correctly seated as well if not it can let too much heat escape up the flue. Other thing as well is you shouldn't really burn coal as it can't cope with the air damper regulating,it tends to slow down the burning too much.you end up with reduced heat output You...

Top and bottom OPPOSITE ends are the most efficient. Top and bottom SAME ends waste of time.