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immersion

  1. C

    What size immersion for 117L 900 x 450 cylinder?

    So i'm a 4th year apprentice doing gas repairs and servicing, don't really get involved in cylinders too much unless changing a 3port or something because at my company the plumbing department change all cylinders I've got a private job of changing the above cylinder due to it leaking in...
  2. J

    Changing unvented cylinder immersion element

    Hi all, I"ve got my G3 unvented. Customer wants an immersion element changing. Access is limited - once I get into the cupboard, and I do my electrical tests it hopefully might just be the stat that needs swapping. However, if it is the element... words of advice and tips would be...
  3. D

    Economy 7 Immersion Heater Timer

    Hi All, I have a very strange problem to solve. We are on economy 7 metering with 2 CU, 1 for appliances/lights and 1 for our heaters and the immersion heater. The immersion heater has its own 16amp fuse on the CU. The problem we have is the immersion heater switches on about 3pm and goes off...
  4. M

    Equivalent part number for NewLec immersion heater NL27PT

    I have an immersion heater Newlec NL27PT. How do I check the heating element and thermostat if either is defective? Also, what is the equivalent part number for the heating element and the thermostat as NL27PT is not available?
  5. Z

    Immersion heater overheating

    Hello, i have a job that had an immersion heater overheating, i didn't know how old it was so just replaced it as they don't seem to last these days. Within a week it had overheated, so i reset it. Now a month later it has gone again, and maybe once more. It's a 14" immersion, incoloy/titanium...
  6. M

    immersion heater on s plan

    Is an immersion heater on a splan usually just used for back up. Incase the boiler stops working thus no flow through the coil. Wentto a house where the customer keeps the immersion on all year around. So his basically using it as a direct cylinder?
  7. B

    Combi boiler combined with immersion heater using solar PV

    Hello, I have solar panels (PV not thermal) on my roof which generate a lot more electricity than I use, but no batteries. My combi boiler has just broken and I need a new one. I was wondering how feasible it would be to get an immersion heater installed as well as a new combi boiler and an...
  8. B

    Immersion heater: copper, Incoloy or titanium element?

    Hi, I'm replacing a 14" copper immersion heater installed into a Fortic hot water cylinder. The heater failed after just three years. Hoping to get more life out of the next one, I've ordered an Incoloy, but am wondering whether to go for the titanium instead. It's only an extra couple of...
  9. C

    Unvented immersion stat playing up

    I’ve got a stelflow 250L with 2 immersions fed by a change over stat so when top is hot bottom starts heating. anyway the bottom stat recently tripped so I reset it. All was well but today it’s playing up again. I can hear it click if I mess with the casing. it’s a cotherm TSE. I’m going to...
  10. J

    Plumbers paste on immersion heater compression valves

    So did a job for a friend yesterday and made (i hope) a small muckup.... Installed a unvented heatrae sadia multipoint 15 but i used plumbers paste on all my compression elbows about 10 of them i only put it on the male threads. The instructions state that it should not be used as it may...
  11. T

    Where is the thermostat in this immersion?

    My hot water is too hot in the cylinder. I took the top of the heater fitting but cannot identify the thermostat. Photo attached. Any advice appreciated. Terry.
  12. M

    Where can I buy a box spanner for a 1.5inch BSP immersion heater? (2" across flats)

    I need such a spanner to remove a failed IH, and to install a replacement; in a domestic hot water cylinder made by Opus (Cyprus). I am aware that in general the distance across the flats may vary somewhat from brand to brand, despite all having 1.5" BSP threads. In my case, both old and new IH...
  13. C

    Managed to boil my hot water tank with immersion heater...

    Woke up at 6AM to the sound of my hot water tank boiling and a cold sweat as I realised I'd left the immersion on since 6PM the night before. Immediately turned it off and opened the taps in the bath to drain the tank, temporarily turning my bathroom into a steam shower - still not sure if this...
  14. L

    Slow hot water after fitting new immersion tank

    Can someone please tell me what I have done wrong. Fitted a new tank exactly as old one recently but since then the hot water pressure up and downstairs has been really low. (E.g. A good 10/15 mins to fill kitchen sink) It is a gravity fed system. No gas. So far tried to clear any airlocks...
  15. M

    Megaflo only heating with immersion?

    Hey everyone, We bought this house and don't know much about plumbing, and we haven't received any information from the previous owners as to how the central heating was set up. It's a 4000 sqft house, which is heated with a combination of underfloor heating in the ground floor, and radiators on...
  16. L

    Immersion heater is working but no hot water coming through taps

    Please can someone help. Plumber came to property and said that the immersion heater is working. We do not have any hot water coming through the taps. He said that he is unable to locate a thermostatic mixing valve in the property which needs to be repaired. Where is this located?
  17. D

    IMMERSION HEATER TRIPPING RCD AFTER FITTING NEW CHANGEOVER SWITCH

    Hi, I have a 6 months old hot water cylinder (vented) to which there are top and bottom immersion rods fitted. Only the bottom was connected so I have just put in a "sink/bath" change over switch. The bottom one works fine but the top one trips the RCD when the thermostat is in the on...
  18. C

    Tempest Unvented Cylinder - Immersion Heater?

    Evening all, We have had a Tempest 250l unvented cylinder for just under a year which runs in connection with a boiler. It is scheduled to come one once a day (6am) for 1hr and it provides the house with hot water for the rest of the day. I have read on some forums it may be cheaper to run via...
  19. H

    immersion heater question

    Hi, I bought a 1kw immersion element as I am off grid and need to replace the existing one and use a lower power than 3kw I have not fitted it yet as some of the rods look too close and may touch with scaling up or a slight bending over time. The gap is about 2mm. Is this anything to worry about
  20. D

    Horizontal cylinder indirect immersion heating element burnt out

    Hi We recently had a horizontal cylinder installed with a main hot water supply from a gas boiler. The immersion heater was hooked up to a solar panel diverter to utilise excess power generated by the panels. This worked great for the first few months, but suddenly the diverter was reporting...

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