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Replace radiator valve without draining system. Replacing radiator valves without draining your central heating system is something that can be achieved with a few simple additional tools (bungs), a heating system that’s in reasonable condition, and a small helping of luck! This is a pretty safe & simple way to do small changes to pipework or routine maintenance tasks such as removing radiators to clean or replace them, or replacing valves etc. Or so various plumbers seem to reckon at any rate. I’ve used this approach successfully several times now to both replace radiators, upgrade valves and alter pipework on an open- vented system with a feed & expansion (F& E) tank in the loft.
Light Image Resizer 4.7.7.0 kostenlos in deutscher Version downloaden! Weitere virengeprüfte Software aus der Kategorie Grafik & Foto finden Sie bei computerbild.de! Replacing radiator valves without draining your central heating system is something that can be achieved with a few simple additional tools (bungs), a heating system.
If you’ve never had your heating system flushed or cleaned however, it’s probably worth taking the time to do a quick DIY chemical clean before replacing a radiator. This is a DIY task that anyone with an elementary knowledge of plumbing can probably accomplish without too much effort, and can help prolong the lifetime of your heating system’s components!
Without further ado, the process is started by first either closing off the heating’s feed & expansion tank outlet/feed into the heating system, or by fitting a “bung” into the tank’s outlet pipe. Once done, repeat for the heating’s open vent pipe. Didn’t have a suitable purpose- made bung available so simply used a speedfit 1.
Next comes the first test of faith. The Toyota Way To Lean Leadership Ebook there. Given the state of the old valves & pipes, it’s a good idea to remove as much of the old paint as possible around where the new valve will seal as paint doesn’t tend to help watertightness.
It’s also much easier to do this before you’ve removed the old valves & fitted the rad to the wall. Determine where the radiator’s going to be positioned & drill the necessary holes for your radiator brackets. Measure carefully – easier to get it right first time. A scenario best avoided really! Make up the valve, ensuring retaining nut & olive are on the pipe.
Position the new valve body suitably angled/aligned for your radiator’s tails and hand- tighten the connections. Tighten everything up using a suitable pair of grips or wrenches, and ensure the valve is actually closed. Once full, close the bleed valve and assuming everything’s still dry, switch on the heating & check the new radiator heats up as you would expect. Enjoy & file the idea away so that next time you need to replace a radiator or change a valve, you avoid emptying the system!