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  1. MrTherm

    Smartstat thermostat screen locked accidentally

    I believe the factory reset will work if the procedure is followed correctly.
  2. MrTherm

    Glow Worm Climapro2 batteries run down in no time?

    A continuous rated plug in power supply with d/c output might indeed be the answer. Soldered or a mini jack type plug - as an E/Eng you most likely could do that - but would it work?
  3. MrTherm

    Glow Worm Climapro2 batteries run down in no time?

    If it helps :- Always use alkaline batteries Never use rechargeable batteries Left column both batteries + pointing down Right column both batteries + pointing up "Batteries low" sign means 1 month battery power left (Dry solder joints) - re soldering the batteries spring connection terminals...
  4. MrTherm

    Best place to sell a Salamander positive pump

    Maybe try -> Gumtree London heating and plumbing equipment. There's currently an ad' for the same pump for £120.
  5. MrTherm

    Heating/Hot controller water problem

    Experiment, try to stagger your programmer channel timings by the smallest allowed time increment with C/H either leading or trailing. Good luck
  6. MrTherm

    Glowworm Fuelsaver MK2 Pump overrun

    A permanent live is required to spade terminal 9 of the Ranco stat.
  7. MrTherm

    Unidentified TRV head

    The valve stamped logo 'Heart in a square' would suggest a 'Herz' valve. http://herzmediaserver.com/data/01_product_data/06_broschure/eng/thermostatventile_en.pdf regards
  8. MrTherm

    Cleaning boiler heat exchanger

    Can be left in system permanently - as per instructions.
  9. MrTherm

    Cleaning boiler heat exchanger

    Fernox F3 - cleaner to remove sludge, scale and debris. https://fernox.com/product/cleaner-f3-500ml/ Fernox F2 - boiler noise silencer. https://fernox.com/product/boiler-noise-silencer-f2-500ml/ Choose as required, my choice F2 for a scaled kettling system. regards
  10. MrTherm

    No equipotential Bonding on Gas Meter

    All equipotential bonding to the meter *outlet* pipework not the inlet pipe.
  11. MrTherm

    Old Potterton Kingfisher MF Over Run Issue?

    @ texecom, On the Kingfisher MF boiler, the pump overrun on the PCB is a 'timer' rather than a thermal control and as you rightly suspect there should be a fuse where yours has none (F1) You need a PCB with this facility : two fuses F1 and F2. The pump overrun timer will only work if the...
  12. MrTherm

    baxi solo he A 24 HEAT EXCHANGER

    "Core plugs" - they are an 'interferance' fit - they need to be drifted (knocked) into the hole with a shouldered dowl or similar tool that pushes against the edge lip only and not reach the bottom of the plug. A big hammer and a few knocks until the outer lip is flush or same as the others...
  13. MrTherm

    Sunvic Sunpro2000 Programmer

    The 'Boost' function will advance the relevant channel by 1, 2 or 3 hours (1 hour each press) The 'Advance' function will *reverse* the status of of the relevant channel.
  14. MrTherm

    Fan will not switch off

    Most likely the summer air circulation switch is "on" and needs to be switched "off" - it's on the right hand side of the control panel. If no result then the fan controller needs to be checked by a qualified skilled gas safe RGI as there are several important safety requirements to be observed...
  15. MrTherm

    Anyone recognise this gas fitting?

    The brass ring has nothing to do with the restrictor elbow, i have fitted many of these in the past. The ring is in fact a 'swish' curtain ring, i have them on my curtains right now and have a box full of spare rings. There are several types, some had a tang/eyelets, look carefully at the photo...
  16. MrTherm

    Glow Worm 38cxi ignores hot water control

    It appears the preheat function is on when it should be off at DHW setting between 0 and first icon. I would suggest (if you havn't already) to reset the boiler. Turn the mains reset switch to 0, wait for 5 seconds, turn mains reset switch to 1, the boiler is reset.
  17. MrTherm

    Baxi Solo 3 Overheating/Hive preventing overrun

    Obviously the pump overrun (8 min timer) is supervised by the pcb, there should only be one pump connected and must be on the flow pipe from the boiler. I cannot comment on why any other/extra pumps are fitted without being there and seeing how it is connected. Why is the boiler pump not...
  18. MrTherm

    Baxi Solo 3 Overheating/Hive preventing overrun

    The system is currently wired incorrectly, the hive control must not completely turn off the boiler and all it's ancilliary controls as you rightly suspect. The main pcb board has two connections marked S/L and L, these are for the *external controls* such as clock/programmer/roomstat, these...
  19. MrTherm

    Increase pressure in Vaillant atmoTEC classic combi boiler

    there could be a part missing as in this youtube clip this is a German supplied boiler, i've also read it can be vented or unvented and parts /valves etc' are requested on initial installation. so as the associated link pipework appears to be non existent !!!
  20. MrTherm

    Increase pressure in Vaillant atmoTEC classic combi boiler

    Glad to see you're thinking in the right direction . . . but, that "open ended" valve looks to be a pressure relief valve, they are normally set to blow off at 3 bar, the open end normally would be piped to a safe anti blast position or to outside. The pipe on the left of centre, is that a domed...
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