Happy new year from Millbrook Distribution and Spares and lets hope it is a good one for all of us in the boiler spares and installation industry. Well we begin another very mild year so far. That said we are still supplying our loyal customer base with a varied range of boiler parts both across [...]

There is a number of companies selling Megaflo immersion elements in the marketplace and can often be found on selling sites who are using non genuine Megaflo parts. It is most important when working on a Megaflo cylinder that you use the genuine Megaflo immersion heater. Why is it si important to use Megaflo parts [...]

At MDS we are having a bit of a debate about the new Viessmann Vitodens 100 gas boilers from Viessmann of Germany. We sold a few years ago the older version of the Viessmann Vitodens and it was a bit of a disaster. The old Vitodens from Viessmann were not a good boiler and were [...]

Pressure on a Baxi Boiler A joint that was only just good enough at a low pressure will start to leak if there is an increase in water pressure. This can happen if you change from an indirect to a direct system but retain some of the original pipe work, so do check the whole [...]

Honeywell Two Port and Three Port Valves There are two types of electrically operated valve. There is a two-port valve that shuts it on and off, and there is a three-port valve, which is called a diverter valve. This valve diverts the water flow through the hot-water cylinder when hot water is required. Most central-heating [...]

Servicing a Grundfoss Central Heating Pump Wet central heating depends on a steady cycle of hot water pumped from the boiler to the radiators then back to the boiler for reheating. If the central heating pump is not working properly, the result is poor circulation or none at all. Adjusting or bleeding the central heating [...]

Although it’s inadvisable to do so unnecessarily, there may be times when you have to drain your central-heating system completely and refill it. This could be for routine maintenance, when dealing with a fault, or because you have decided to extend the system or upgrade the boiler. The job can be done fairly easily if [...]

Area at top of radiator stays cool, though bottom is warm Airlock at top of radiator is preventing water circulating fully. Bleed radiator to release trapped air. Cool patch in centre of radiator, though top and ends are warm Deposits of rust at bottom of radiator are restricting circulation of water. Close both radiator valves [...]

When heating systems fail to work properly, they can exhibit all sorts of symptoms, some of which can be difficult to diagnose without specialized knowledge and experience. However, it pays to check out the more commons faults, summarized below, before calling out a heating engineer. Hissing or banging sounds from boiler or heating pipes This [...]

HOT WATER SYSTEMS AND COMBI BOILERS There are several different ways to provide hot water and central heating. Traditionally, the hot taps are supplied from a hot water storage cylinder, which in turn draws from a cold water storage cistern in the roof space. Water is heated in the cylinder by a fitted immersion heater [...]