Once in position and the washers are in place, tighten the connection nuts on the inlet and outlet. It’s best to do this by hand until finger tight so that you can feel that the nuts have screwed on to the threads correctly and have not cross-threaded. Once finger tight you can then tighten with a wrench.

Place the new pump in position. Make sure that you have replaced the washers and ideally replaced them with new ones. (don’t forget the washers) and tighten the connection nuts. A wrench or spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects usually rotary fasteners, such as nuts and bolts or keep them from turning. The heating pump is powered by electricity. This must be turned off and disconnected from the pump before you can change it. You must also turn off the central heating. Buy the Correct Replacement Central Heating Pump Commonly made of steel tubes, the box spanner is typically used for removing spark plugs. They normally feature a six-sided ring-type head that fits the nut that has been pressed out of the steel tube during the manufacturing process. They are turned using a T-bar passed through the two holes in the middle. 6. Combination Spanner Replacing a central heating pump can sometimes be a little awkward because of its position in the airing cupboard or similar.Undo the nuts connecting the pump to the pipework using the Stilsons. Do not disturb the connection between the other side of the valves and the pipework as this could result in leaks. Again, don’t over-tighten with the wrench as this may damage the threads. Re-Connect the Electrical Connections There will be some water in the pump so you can either place some rags under the pump or a shallow paint roller tray to catch the drips. Keep the washers if you have to but it is best to replace these too. Once disconnected completely, remove the old pump. Insert new Pump and Connect up A modern replacement central heating pump indicating all major elements Removing and Replacing a Central Heating Pump Disconnect Electrical Wires In the double-end spanners, both of the ends are opened to hold the bolts & nuts with the help of this equipment. In double-end spanners, both ends are formed at an angle difference of 15 -30 degrees in b/w their body. These spanners are the most widely used spanner in operation. 3. Ring Spanner

Combination spanners are double-ended tools. It has an open-ended profile on one end and a closed loop on the other end. The two heads are usually at a 15-degree angle to the shaft for better access to the nuts or bolts. This single tool serves the functions of two spanners at once. 7. Hook Spanner Additional Charges may occasionally be required for specific products. If they are, they will be listed here and can include the following: It is very important to use the right tool in the right manner. Here are some important tips for handling some of the most common types of spanners. The word can also be used in slang to describe an unexpected obstacle, for example, “He threw a spanner in the works” How to Use Spanners Properly? In open-end spanners, as the name suggests one end is open which provides to hold the nuts or bolts heads or grip that to either tight or lose it. Open-end spanner is also known as single-end spanners their known size is basically the difference between their respective jaws. The selection of spanner would be the subject of based on the nut & bolts sizes to be used. 2. Double-End Spanner

The heating pump pumps water around your radiators, from the boiler, keeping them supplied with hot water . A good indication that the central heating pump is playing up is if your radiators are hot at the top of the house, but cold downstairs. Also, see our project on Central Heating Problems for more on faults within the Central Heating System. If this is the case it can sometimes be overcome by turning the pressure up on the pump. Spanners are usually employed for gripping objects and turning fasteners. A vast majority of the spanners rely on manual operations for functioning. For Example, the slide style is more suited to rapid motions. Also it’s a good idea to go for a modern energy efficient pump that will not only stand you in good stead for the future but also go some way to saving you money on your heating bills.

Higher-quality spanners are typically made from chromium-vanadium alloy tool steels and are often drop-forged. They are frequently chrome-plated to resist corrosion and for ease of cleaning. Note: When fitting your new central heating pump make sure that you put it in the right way round! On the body of the pump there should be an arrow indicating the direction of water flow, this needs to be facing the correct way to match the flow of water. If not then nothing will work correctly!

It is a bunch of small-sized single-end spanners. Spanners of different sizes are tied together for tightening or opening small nut bolts. 11. Allen Key These spanners are made for those nuts which do not have holes on their periphery. There are no faces on these nuts. Thus, the pin of this spanner gets fixed in the hole and performs the function of revolving it for opening or tightening it. 8. Adjustable Spanner