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Im going to be fitting new for old. the only thing is the existing system has gravity primary's. I am going to fit 2 zone valve's but i am looking for advice on where to fit the pump as i know it can cause problems.

On the twin channel programmer for this boiler. Does the hot water setting just preheat the water in the boiler when it is on

This boiler keeps losing pressure. on inspection i noticed the blow off is dripping constantly. At first i tried to check the expansion vessel, the valve would not let air in or out though. Need some help with what needs done guys :roll:

can new heat only boilers still be fitted to a system with gravity primarys. Does it need to be a floor standing boiler?

Is it still o.k to fit a SE combi where there is no possible place to take a condensate pipe

Can someone tell me a good procedure for cleaning and flushing a central heating system before changing a boiler

I was looking for a boiler to replace and old one. The system will still have a hw cylinder. In a brochure i have there are system boilers and heating only boilers, whats the difference

I recently had this problem, the drain valve on the cylinder was broken. I disconnected the top connection and siphoned out as much as i could then lifted out the cylinder. Is this the easiest way or are there other methods

What is the best way to drain a heating system with no draining point.

Are hep inserts for compression fittings only or should they always be used

Is it now a reg to fit a room stat with combi boilers

I work for a company who fit and recommend Worcester. I usually fit the Greenstar CDi models. Just wondering what everyone else fits or rates the best. I personally find worcester make it very easy for the installer and manufacture very intelligent boilers

The 1st time i changed a back boiler for a combi i took the back boiler an gas fire out. Is it ok to disconnect the flow and return to the back boiler and leave it in so i dont disturb the gas fire