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Broan-NuTone 658 Central Heating System Heater Questions & Answers
Potterton Suprema status light.
Hi,
Are you getting Hot water and Heating?
The reason i ask is because I don't think you have a problem.
On this boiler it has a 'pump over run' thermostat incorporated into it, this ensures heat escapes from the boiler by using the pump to cool it down.
If you are getting hot water and heating, leave it well alone, if you reset the boiler this can have adverse effects on the boiler and evenually cause malfunction.
However, if you find that you are not getting Hot Water or Heating, then the most common fault on this boiler is the PCB (Printed Circuit Board) it is the 'brain' of the boiler and the most common fault on this make. (£160 + vat)
I hope this helps,
Steve
Nutone, Model QTXN 100HL-A 1500 Watt
The "diode" that your electrician mentioned is actually a one shot thermal fuse.You can either go to the Nutone website for parts, or remove the thermal fuse, extract the info written on it and buy a replacement. Mine was a 100C 10A thermal fuse. I got mine from DigiKey.
I need a heating
My Nutone Model 765HL uses the same heater; I tried the Broan-Nutone website but they were out of stock. Finally found it at Central Vacuum Stores for $35. Here's the direct link: http://www.centralvacuumstores.com/nutone/Broan-Nutone-Heater-Elements/QTXN-Series.php Hope this helps!
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