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6) HOW TO PLUMB A WASTE PIPE TO A SOIL STACK If you wish to plumb a 32mm or 40 mm waste pipe to a plastic soil stack you will need a strap on boss like this: and also (depending on pipe size) a 32 mm or 40 mm adapter like this You need to drill a 50 mm hole in the stack and...

5) CONNECTING A TOILET TO WASTE Easiest way is to put the pan and cistern in situ and then look at what fitting you will need to join the pan to the existing waste pipe. You will have no problems with leaks if they are correctly and squarely lined up to the pan. Washing up liquid is good...

4 ) HOW TO CONNECT A BASIN TO A TOILET WASTE An easy way to drain a basin (without having to drill into the wall and running a waste pipe to the existing soil stack) is to plumb it straight into the existing toilet hole. You will need to swop the existing pan connector for one of these...

3) SCRAP METAL PRICES As we all know there is a lot of money to be made by weighing in all your scrap metal. Copper especially is well worth the trip to the local scrappy as it is currently worth over £4 per kilo to you. An old cylinder is worth more than gold 8) and you should get in excess...

2) SOLDERING TIPS Cut pipes using pipe cutter and deburr.Clean the inside of fittings, and the outside of pipe with wire wool. Cleanliness is important! Join pipework to fitting(s) to make sure it all fits and then disassemble. Apply flux to the pipe ends and reassemble pipework. It is a...

1) PIPE BENDING Some good tips on bending and other useful stuff can be found on You Tube by Tomplum.

19) BOILER SIZING Thanks to Bengasman The following is a fair rule of thumb estimate but not a substitute for the calculation of an experienced professional on site. For a combi you can ignore the heating demand in 99% of cases and base the size on the hot water demand. For 1...

18 ) WATER IS COMING OUT OF BOILER'S "PIPE" Thanks To ChrisR Combis (and other boilers) have a metal Pressure Relief pipe going out through the wall, sometimes wrongly referred to as the boiler's "Vent" or "Overflow". For safety it is usually turned back to the wall or taken to a low level...

17) MID POSITION VALVE EXPLANATION AND DIAGNOSTICS Thanks to D Hailsham The Y plan uses the mid position valve, so first an explanation how it works. The following diagrams show the various states the valve can be in: HW only (top left); HW and CH (bottom left); CH only (top right); CH...

(16) HOW TO TOP UP A WORCESTER BOSCH COMBI Thanks to Bengasman NOTE: There are two slightly different Keys which WB's use. To top up a W-B combi when you can’t find a filling loop, chances are you need one of these. Look up from under the boiler and you will see this. That...

15) BOILER PRESSURE PROBLEMS - Thanks To ChrisR Most Combi Boilers are Pressurised and this is shown on a gauge marked 0 -4 bar. There is often a red adjustable plastic marker on the gauge which does nothing! If the pressure gets to 3 bar the “PRV” opens and allows water to escape to...

14) CHECKING THE PUMP IS WORKING CORRECTLY? Thanks to Bengasman Fixed/manually set speed pumps: Turn boiler off at mains and set the timer for constant heating and room stat to max. Take out the big chrome screw in the middle of the pump and water should start to drip out. Be prepared to...

13 ) BOILER MANUALS Thanks to Gunslinger HERE is a selection of installation / user manuals I have uploaded to Rapidshare. There is also a couple of fire manuals too.

12) BLOCKED C H COLD FEED - Thanks to ChrisR A simple way to unblock a cold feed on a vented HW system: Sometimes the blockage is surprisingly soft and this fix will blow it back up into the f/e tank where you can bale it out. Make the connector from a flexi tap hose and a 15 - 22mm...

11 ) CENTRAL HEATING (F & E) TANK OVERFLOWING If the smaller tank (which supplies the heating) is overflowing to outside you need to check the following: 1) Float valve has failed. Replace the washer or renew the whole valve. 2) The cylinder coil may have a hole in it. Water will pass from...

10) HOT WATER OK BUT RADS COLD (or vice versa) THANKS TO CHRISR Usually down to motorised valve failure This will work for fully pumped systems, for both a single 3 port valve or two x 2 port valves. Or a combination, come to that. To get you warm, turn the cylinder thermostat right up to...

9 ) BLEEDING A CH PUMP All Systems: Loosen the large silver/brass/black centre screw and allow air to escape until it starts to dribble water. Put screw back in. Vented systems: A pump won't pump if it has air in it. To vent, check where boiler pipes enter the hot water cylinder for a...

8 ) REFILLING A SEALED SYSTEM If you have a sealed combi system your pressure should be topped up to around 1 bar, (or consult your manual for the recommended operating pressure). This is done via a silver braided pipe under your boiler in which the valve is opened to allow water through until...

7) TEMPORARILY REMOVING A RADIATOR THANKS TO GAS4YOU Firstly, put down a dust sheet underneath the radiator and a small plastic tray under the valve nut.Turn off the lockshield valve. If you have a TRV at one end you will need to take the head off and fit a decorators cap to ensure it...

6) THERMOSTATIC RADIATOR VALVES STICKING SHUT. POSTED BY CHRIS HUTT These valves (TRVs) can stick in the shut position, resulting in rads remaining cold. More common in winter as they will have been off all summer. TRVs should not be turned fully off unless the rad is being removed and...