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I need to size a system for my local rugby club which currently has 2, very ancient, 280 litre Andrews water heaters supplying 11 showers and 3 basins. The most showers I've had to supply water for in the past is 5 so any advice would be welcome. My first thoughts were to install an...

Any thoughts and advice would be appreciated. My customer has a 26kw combi and low water pressure and flow. The development of the property would mean 2 bathrooms in addition to the kitchen plumbing. They want hot and cold supplies to the 2 showers that cannot be affected by drawing off...

I have just looked at a unvented cylinder with pressure problems. The customer called me in asking me to fit a pump on the mains but the mains pressure is 2.5bar and flow rate over 22l/min which should be fine for an unvented cylinder. The problem is that when the two showers in the house are...

I've a problem with a 28cdi not firing for more than a minute or two on heating. Ive ruled out scaled/sludged HE as it fires continuously on hot water. It has a new flow thermistor and a 2 month old diverter so they should be fine. Filling and bleeding the system is a long old process, but...

hi, have just changed diverter on Ideal Isar HE 30 thinking i would resolve intermittent hot water issue but no joy. The boiler has had this prob for over a year and im the 3rd engineer to have some fun with it. Firstly, the DHW heat exchanger was replaced and a scale reducer installed a...