10th Edition Essential Gas Safety Domestic Manual Kit. Volume 1 & 2 with Premium Carry Case GID1 (TC)

GID1 Safety Manual Kit

Introducing CORGI Directs best-selling gas installer manual kit for domestic gas installers, these comprehensive and authoritative manuals are packed full of technical information covering the essential gas safety elements of any domestic gas installation. The manuals continue to be an essential on the job technical reference source for the professional gas engineer.

The manual draws upon various British Standards, Institution of Gas Engineers and Manager and Liquid Gas UK Standards, Codes Practice, as well as Legislation to be THE reference source for the modern domestic gas operative / business.

To ensure that you are as up to date as possible, the GID1 10th Edition Kit (Volumes 1 & 2) now includes our NEW 5th Edition Tightness Testing and Purging Pocket Guide (TTP1) that comprehensively covers the requirements of the recently published IGEM/UP/1B Edition 4 that comes fully into force on 1st October 2026.

Summary of Standards & Regulatory Updates Included in This Kit

IGEM/UP/1B Edition 4: Tightness Testing and Direct Purging of Small Liquefied Petroleum Gas / Air, Natural Gas and Liquefied Petroleum Gas Installations

Natural Gas Procedures are fully integrated into the included 5th Edition TTP1 Pocket Guide, covering updated tightness testing and direct purging procedures.

BS 5440-1: 2023: Chimneys & Flues

BS 5440-2: 2023: Appliance Ventilation

IGEM/UP/17 Edition 2: Shared Chimney & Flue Systems for Domestic Gas Appliances

Kit Contents

1 x GID1 Volume 1 (10th Edition)

1 x GID1 Volume 2 (10th Edition)

1 x NEW TTP1 Pocket Guide: Tightness Testing & Purging (5th Edition: IGEM/UP/1B Edition 4)

1 x Premium Carry Case

Overall Contents Covered Across the Kits

Gas safety legislation

Gas emergency actions and procedures

Characteristics of combustion

Appliance ventilation

Installation pipework and fittings

Tightness testing and direct purging (natural gas)

Checking and setting regulators, burner pressures and gas rates

Gas Industry Unsafe Situations Procedure

Emergency controls and isolation valves

Industry notices, warning labels and forms

Gas safety devices and controls

Chimney standards, testing and commissioning

Domestic gas meters and re-establishing gas supplies / re-lighting appliances

Landlord Gas Safety Records (CP12)

General LPG safety information and requirements

Overview Breakdown by Volume

Inside the GID1 Volume 1

Gas safety legislation

Gas emergency actions and procedures

Characteristics of combustion

Ventilation

Installation of pipework and fittings

Checking and / or setting regulators

Gas Industry Unsafe Situations Procedure

Emergency controls and isolation valves

Emergency notices, warning labels and forms

Checking / setting burner pressures / gas rates

Inside the GID1 Volume 2

Checking of appliance gas safety devices / controls

Chimney standards and flue testing

Re-establishing gas supply / re-lighting appliances

Domestic gas meters

Landlords Gas Safety Record

LPG General requirements

Definitions, useful data, and references

Inside the NEW 5th Edition TTP1 Pocket Guide (Fully Updated to IGEM/UP/1B Edition 4)

Tightness Testing Procedures for Small Natural Gas Installations

Fluid and electronic pressure gauge usage

Permissible pressure drops for new and existing installations

Calculating installation volumes

Safety precautions prior to working on gas installations

Tightness testing procedures for new and existing gas installations

Purging Procedures for Small Natural Gas Installations

Calculating the necessary purge volume of an installation

Direct purging procedures including the differences when the installation volume is below and above 0.02 m3

The CORGI Direct Forms to Use (CP32)

Technical Specifications