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Maintenance and Service

Exam revision materials for Plumbing Level 2&3 and ACS Gas Safety test

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Boilers

Ideal

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Ideal Mini C24, C28, C32 Faulty Gas Valve 172611,173220, BI1193105

Ideal Mini C24, C28, C32

  • The CO level is too high for the first minute but then stabilises
  • The gas valve inlet pressure is 19mbar but gas valve burner pressure is too low
  • Replace the gas valve
  • Gas Valve 172611,173220, BI1193105
< Go Back2016-06-25

Ideal Logic 30 - Faulty timer 204839

Ideal Logic 30 combi boiler timer doesn't work

  • Timer is faulty if its making a very loud ticking sound
  • If the clock hands don't move or time doesn't change
  • To replace the timer turn off the power to the boiler and remove the front cover of the boiler
  • Faulty timer 204839 
< Go Back2016-02-06

Ideal Icos HE24 - leaking automatic air vent valve 170988

Ideal Icos HE24 system boiler is leaking from under the boiler

  • Remove the casing and sealing cover
  • Check the air release valve for leaks at the right back corner
  • If it leaks then replace the part
  • To replace the part:
    1.  
    2. Drain the boiler.
    3. Remove the turret from the boiler.
    4. Release the silicon tubing from the sample point.
    5. Release the electrical connections from the dry fire
      thermistor.
    6. Release the electrical connections from the spark
      generator.
    7. Remove the M5 nut retaining the flue casting spring clip
      and remove the spring clip.
    8. Undo the 2 M5 x 10 flue spring clip retaining bracket
      screws and remove the bracket.
    9. Remove the M5 x 10 screw retaining the flue casting.
    10. Remove the flue casting.
    11. Remove the screw and rear bracket. Pull the air vent and
      plug assembly from the heat exchanger and replace with
      the parts supplied in the air vent kit.
    12. Re assemble the boiler in reverse order.
    13. Refill the boiler. Refer to frame 30. Check for leaks around
      the new air vent joint.
    14. Check the operation of the boiler.
  • The replacement part is Ideal 170988 Auto Air Vent Kit made on to an adaptor with o-ring seal 

 

 

PDF - Ideal Icos HE24 - leaking automatic air vent valve 170988 - installation instructions

< Go Back2014-11-08

Ideal isar 24 HE - PCB replacement

Ideal isar 24 HE combination boiler doesn't have any lights on a user display

 PDF - v9 primary control replacement instructions

 

< Go Back2014-04-25

Ideal Elan RS30 - Boiler is not firing up

The boiler's pilot light is on and the there is a power supply to it but the boiler is not firing when heating is on. To test a gas valve turn the heating on and turn the boiler thermostat on. Check voltage between brawn and blue wires to the gas valve. If there is 240V across then the gas valve is faulty and need replacement. The part number is 078560 (GCN: 41-407-96) and it can be ordered from here. Part number from boiler manual is 586731900 (GCN: 395685).

Boiler manual PDF 

< Go Back2013-02-25