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  1. J

    Cast iron boiler descale - is this overkill?

    I know there’s a lot of good advice on this forum on this topic, so I’m hoping for any useful comments on the plan below for descaling my cast iron boiler. Thanks in advance! The boiler is Potterton Netaheat Profile 50e, 25 yrs old and, for its first 24 years, never ever had any inhibitors...
  2. J

    Gassing in CH won't go away.

    I have an irritating problem which I am hoping has a solution. When the water leaving the boiler reaches 70C and higher, gas bubbles form, which causes noise in the first available radiator. 3 - 4 months ago the system was flushed, Fernox F3 added and left in for weeks, then flushed...
  3. J

    Honeywell CM927 wireless thermostat - dreading its failure

    A lot of positive things have been said on this forum about the functionality of this wireless thermostat, and indeed after my own recent research I had decided to purchase one. But I've put my decision on hold now, because while shopping around I came across many negative reviews on Amazon...
  4. J

    Intergas Compact HRE OV - can it be used in a sealed system?

    Can anyone advise on whether the Intergas Compact HRE 18 Open Vent heat only boiler can be used in a sealed system? All references to this boiler, including the installation instructions, state a F & E tank as a requirement, with no option to use an expansion vessel instead. Yet the max...
  5. J

    Combi boiler used as heat only boiler?

    Our house currently has a heat only boiler (Potterton Netaheat Profile 50e) that's 23 years old and works perfectly. If/when it packs up I was wondering whether I could replace it with a combi boiler rather than another heat only one, while still retaining the existing HW cylinder, 3-way valve...
  6. J

    Boiler flue terminal permitted locations

    I am considering possible locations for a wall mounted boiler. Ideally, I want the boiler installed next to a window on my kitchen wall. The potential problem is that the hole for the flue terminal would be just 200mm measured horizontally from the opening portion of the window. My...
  7. J

    Inherent fault with combi boilers?

    After spending a lot of time researching boilers I came down to a final choice between either the Worcester Bosch 38CDI Greenstar Classic, or the Vaillant ecoTec plus combi 837 for my mother’s 1-bathroom, 3-bedroom house with a shower and no bath, and just herself as the occupant. But I was...
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