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Pyro therm heat exchanger model wh 701382 London Heat Machine (7 Tube) recently bought a new replacement module equivalent to the existing heat exchanger for the fireplace, but having difficulties in connecting onto the heat exchange box when switched on, it made a lot of noise (before, no noise heard) Could not find a cueent distributor for the brand, that we could call from Vancouver, British Columbia.

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6 Suggested Answers

Therinnaiguy
  • 1420 Answers

SOURCE: weathermaker 8000 58zav115

The technician sould have replaced the circuit board with part number CESO11057-02 which contains a diagnostic LED that will blink out a code when a fault is senced. If not we have to diagnose the hard and costly way, test each circuit.

There are only a limited number of reasons why the blower would stop running, one being a bad blower relay and another being a overheating of the motor inself causing it to shut off on internal overheat. The relay is part of your circuit board and the overheat is inside the motor, both of which you had replaced. Has anyone checked for a restricted air filter or supply/return restriction? Loose wire?

I'm guessing now. Good Luck and let us know what you find.

Posted on Jan 23, 2008

koolbreezes
  • 540 Answers

SOURCE: Ruud UBHC-17AOONFA heat exchanger

Instead of air , it uses water to extract heat and send it thru the tubings.

Posted on Sep 04, 2008

  • 10865 Answers

SOURCE: what is the air exchanger (open or closed) switch for?

The air exchanger is there to give you the option of adding fresh outdoor air [open] or recirculate the air in the room [closed].

Posted on Jun 04, 2009

  • 1 Answer

SOURCE: leaking from secondary heat exchanger

Hi cgcol

I just had the same problem with the same boiler and was recommended to get in touch with a company called Wolseley uk. http://www.wolseley.co.uk/servlet/reality/rscp/IN.BRADETFRMBP1?app=centers&ses=99999|47543&website=www.wolseley.co.uk
link is to their website branch locator. You need to click on parts center on the left hand side of your screen under branch locator, then put your post code in as easy as 123. The parts you need are o rings. They come as a set, their part number for the set is 459382 FROLI 39817620 ORING SET as shown on my invoice. Only cost £7.19 + VAT. Plus bought 798007 REGIN REGZ40 SILICONE GREASE 50G cost £5.47 + VAT (smallest size they do). This is to lube Orings before fitting and pushing pipes together. Make sure you have turned all stop taps off that are under the boiler and drained rads.
Hope this has been a help!

Posted on Jan 09, 2010

Therinnaiguy
  • 1420 Answers

SOURCE: flame rollout on ignition causing

roll out occurs if there is not enough combustion air at the burners or there is a blockage of the vent pipe. check both for problem. a blocked heat exchanger can also cause a roll out.

Posted on Oct 11, 2010

Testimonial: "As you and I both suspected, the vent pipe had a nest in it, All set. Thanks"

TheMobilian
  • 8147 Answers

SOURCE: My Goodman furnace # GMPNO6O-4

Yeah that auto cycling might be due to a contaminated flame sensor. Check out this vid dude:

Posted on Feb 13, 2011

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