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pks1702, October 29, 2007 in Technical Questions and Answers
Silencers are available from all the heater makers Perry, just make sure you get the right size for your exhaust tubing (normally 22mm or 24/5mm). The exhaust tubing should be cut in the most convenient place (close to the heater is most effective) and the silencer inserted. There are proper clamps to use also and I have found that a little of the thin white exhaust sealant / lubricant used on car exhausts helps ease the fitting and helps prevent exhaust gasses leaking. Just make sure everything is secure and not close to combustible materials when you have finished. If you can get hold of some exhaust wrapping similar to that which is used on the exhaust tubing then wrap the silencer in that. IMPORTANT NOTE, check that no exhaust gasses are leaking and nothing around the exhaust is getting hot after you have completed the job. You may notice a slight â€œhotâ€ smell for a little while after fitting but that is just any debris or oils in the silencer burning off and provided it does not continue then is of no concern.
Tools required: small hacksaw, 10mm socket or spanner
Possible extras: perforated metal strip and a couple of small nuts & setscrews / self tappers to securely â€œbracketâ€ the silencer
If fitting the exhaust causes a â€œlowâ€ spot in the exhaust run then a condensation drain may also be needed.
It is also worth a mention that an combustion air intake filter / silencer, if not already fitted makes a huge difference to the noise level.
Thanks for that superb resume David, much appreciated.
On the basis of your explanation even I feel able to tackle this job
Will get the bits together and give it a whirl.
Presumably JPC will be the place for the silencer and clamps
Or you could get them from Boulters Perry, they're spot on :
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