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BOILER OUTPUT
To Domestic Hot Water:To Central Heating:
GB24/30 Minimum 8.0 kW (27,296 Btu/h)
GB24 Maximum 24.2 kW (82,570 Btu/h)
GB30 Maximum 30.3 kW (103,384 Btu/h)
Morco House, Riverview Road, Beverley, East Yorkshire, HU17 0LD
Morco Products Ltd
Tel:+44 (0) 1482 325456 Fax: +44 (0) 1482 212869
UIN 209783 A03
April 2014
GB24 & GB30
User Manual
Website:www.morcoproducts.co.uk
GB24/30 Minimum 8.0 kW (27,296 Btu/h)
GB24/30 Maximum 24.2 kW (82,570 Btu/h)

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Questions and answers

Alex H Mcewan
February 5, 2025

HI I HAVE A MORCO BOILER gb24 series 2 i have drained it down for winter but unsure how to refill it, is it just a case of refilling the boiler up to 1 bar

1 comments:
Mr. Anderson
May 14, 2025

To refill a Morco GB24 boiler after draining it:

1. Fill and vent the system.
2. Open all isolation and radiator valves.
3. Reset the boiler.

If the boiler still does not operate correctly, contact Morco (if under warranty) or a Gas Safe Registered Engineer.

This answer is automatically generated

Summary of Contents for Morco GB24

  • Page 1 GB24 Maximum 24.2 kW (82,570 Btu/h) GB24/30 Maximum 24.2 kW (82,570 Btu/h) GB30 Maximum 30.3 kW (103,384 Btu/h) Morco House, Riverview Road, Beverley, East Yorkshire, HU17 0LD Morco Products Ltd Tel:+44 (0) 1482 325456 Fax: +44 (0) 1482 212869 Website:www.morcoproducts.co.uk...
  • Page 2: Electricity Supply

    Introduction The Morco GB is a wall mounted, room sealed, condensing combination boiler, featuring automatic spark ignition and fan assisted combustion. The Morco GB is a combination boiler providing both central heating and instantaneous domestic hot water (DHW) for taps and showers.
  • Page 3: Boiler Operation

     In cases of repeated or continuous shutdown a qualified and competent Gas Installer, should be called to investigate and rectify the condition causing this and carry out an operational test. Only the manufacturer’s parts are to be used for replacement Minimum Clearances around the Boiler Clearances of 165mm above, 100mm below, 2.5mm at the sides and 450mm at the front of the boiler casing must be allowed for servicing.
  • Page 4 During normal operation the “burner on” indicator (E) in the Boiler Controls diagram) will remain illuminated when the burner is lit. Note: If the boiler fails to light after five attempts the fault code “L-2” will be displayed. Refer to the fault finding section on page 8 of this user manual.
  • Page 5: Mechanical Timer

    Mechanical Timer Control Indicator Permanently ON Timer Control Permanently OFF Time Indicator segment segment 24hr Programme Ring Timer control segments 1 segment = 15mins OFF – Segments on inside of ring ON – Segments on outside of ring Operating Issues Frost protection If the home is to be left unoccupied during cold periods when there is a threat of freezing, the domestic hot and cold water circuits must be drained as follows:...
  • Page 6: Condensate Drain

    ALL FROST DAMAGE IS OUTSIDE OF THE WARRANTY. Boiler Overheat Protection The boiler controls will shut down the boiler in the event of overheating. Should this occur, a fault code will be displayed. Refer to fault codes. Flame Failure Should this occur a fault code will be displayed.
  • Page 7: Maintenance

    could be at the open end of the pipe, at a bend or elbow, or where there is a dip in the pipe in which condensate can collect. The location of the blockage should be identified as closely as possible before taking further action.
  • Page 8: Fault Code Table

    Damage caused by unauthorised modifications to the boiler from original specifications. Spare Part Availability Information regarding spare parts can be found by contacting Morco’s sales office or website (details below). MORCO PRODUCTS LTD Morco House, Riverview Road, Beverley, East Yorkshire HU17 0LD Tel: +44 (0) 1482 325456 FAX: +44 (0)44 1482 212869 EMAIL: sales@morcoproducts.co.uk...

This manual is also suitable for:

Gb30

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