cylinder

  1. W

    Replacement cylinder thermostat

    Our builders have installed a 250L horizontal Everflo cylinder with a thermostat that shuts off the hot water when the cylinder is up to temperature. With the thermostat set to 45 and the boiler flow temp set to 65, the thermostat never switches off, even though the water in the cylinder is over...
  2. H

    Is it ok to use copper pipes with stainless cylinder?

    I have a vented direct (immersion only no boiler) hot water system. Old pipes are all 22mm copper. Now need to replace the cylinder. I am wondering about the material compatibility of the old copper pipes with new stainless cylinder? Can I just put in the stainless cylinder as a direct...
  3. X

    Temperature monitoring and legionella

    Hi, I have a new installation of an Air Source Heat Pump (Grant UK Aerona), and a horizontal Tempest 200l pressurised cylinder. It has a single immersion heater, which is controlled by a Timeguard FST77 7 Day Fused Spur Timeswitch, and the whole system is controlled by a ESI ESCTD Mechanical...
  4. J

    Replacement cylinder for Union BS3621 rim nightlatch

    Just moved in to a new house which has a decent from door lock. https://www.uniononline.co.uk/uk/en/products/locks-and-cylinders/rim-locks/bs3621-cylinder-rim-nightlatch-v-4l67e-b-pl Does anyone have any idea where I would buy replacement cylinders for these? No idea how many people the...
  5. S

    New flat - how does the heating work?

    I moved into a flat in May this year, can't figure out the heating and hot water system. I've tried the FAQ's and searching but can't find anyone posting a question in exactly the same scenario. The letting agent has been useless. The flat has a Dimplex RXPW4 pilot wire controller in the...
  6. S

    Y plan component placement.

    Hello all. Background... I am a 56 year old guy working on a 400 year old property which I have recently inherited from an Uncle. Many years ago I trained as an electrician and also have done many plumbing jobs including full CH systems. Currently I am installing a Y plan system into my...
  7. Norfolk Broad

    Replacing a hot water cylinder with under sink water heater

    Hello all I'm returning to DIYNOT after a long hiatus and lapsed account. As ever, I only come on here if I want to know something or (as in this case) to reaffirm a decision I am about to make. I'm in the process of buying a one bedroom first floor flat, built c.1990. It's on E7 supply...
  8. A

    Water dripping through Tundish after 2 PRV replacements

    Hello, Wonder if anyone has any ideas or thoughts, i've even spoken to a plumber who is a little confused.We have a unvented Stelflow cylinder which in the past year has had 2 PRV replacement and a temp pressure release valve to. While this stopped the dripping through the tundish initially...
  9. JoeMic

    Keston separate temp for heating & hot water

    In an effort to control my extremely high gas consumption, I turned down the "flow setpoint" temperature on my Keston Heat 55 boiler from 70 degrees to 48 degrees. This has substantially reduced my gas usage. I have underfloor heating and this new temperature seems to be high enough for that...
  10. E

    Leaking at Thermostat on an Unvented Indirect Cylinder

    I hope someone will be able to help. This morning i found water all over the floor under the hot water cylinder and i traced the leak to one of the thermostats attached to the hot water cylinder. I have contacted a plumber who i have used before who is pretty sure it is a cracked cylinder (he...
  11. J

    Replace a yale cylinder on a UVPC door without key

    Hi, I got my internal porch door which I 'm unable to find the key anymore. The door is already unlocked but the cylinder won't come out as usually the pin inside keeps it stuck. On youtube, a guy snaps it on both sides but to be honest I'm worried to apply a lot of force as I will be damaging...
  12. M

    hot water temperature problem

    I have a Glow Worm 24HX Condensing boiler on the ground floor with a pump in the same cupboard, a hot water storage cylinder in the airing cupboard upstairs (Kingspan 1500 x 450 grade 3, 162 Litre. cylinder) in the eaves area I have another pump (both pumps are Salus MP200 domestic circulating...
  13. T

    Removal of shower pump.

    Hi Everyone, Thanks to some help I have purchased a Stuart Turner pump to replace my almost dead Bristan Varispeed. Looking at a few threads it seems it depends on your set up when it comes to installation. In terms of removing the old pump, would the best course of action be as follows: Turn...
  14. T

    No hot water or heating

    Hi All, Hoping someone might be able to solve this conundrum. I have a hot water cylinder with a boiler. I recently drained the system and washed out the radiators. I have no hot water and no heating. The boiler fires up, the 2x two port valves turn the valve to their open position. The...
  15. N

    Tribune range cylinder

    Hi we have a tribune range cylinder which stores hot water and also has a switch for immersion heater. The problem we have is that the upstairs rooms get extremely warm due to the heat from the tank. We do not have the immersion heater on due to hot water coming from the boiler. How can I turn...
  16. L

    Big Combi or System Boiler & Unvented Cylinder

    Hello People First time posting on here but reckon you have the expert knowledge I need :) We've just moved into a new house, 30s semi. It currently has a standard C/H and H/W system: a working, but ancient Potterton Suprima boiler, hot water cylinder and cold water feed in the loft. We're...
  17. N

    Primatic cylinders

    I have had a look and seen some posts related to Primatic cylinders in the past but I just thought that I would see if anyone can offer any advice. Recently involved in a job with a Primatic cylinder and have ordered a new one to replace like for like. I've heard that the best way to fill these...
  18. W

    Running Two Aqualisa Showers Simultaneously

    Hi, I have purchased two Aqualisa Quartz Gravity Pumped showers (older version). Links: Aqualisa https://www.aqualisa.co.uk/shower/qzd.a2.ev.14/obsolete-quartz-smart-exposed-with-adjustable-head-gravity-pumped Screwfix...
  19. T

    How are these locks changed?

    Hi, I’ve changed normal Euro cylinders in the past without a hitch. We’ve a just moved into a new home and I’d like to change the locks out of good practice, however, these locks seem to be different to what I’m used to. Im guessing they’re just normal Euro cylinders but that I’m missing...
  20. B

    Unvented Indirect Tundish Discharge - What Reason?

    Hello knowledgeable folks. I have an issue that occurred about a year ago and has come up again. I have a Santon Premier Indirect Unvented heating cylinder and when the heating system is running there appears to be water discharge from the tundish. This is not a constant discharge, because...
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