Gas Installation Services in Gauteng

Gas Geyser and Stove Installations FAQ’s

Looking for clear answers about LP gas installations? Below are the most common questions homeowners and businesses ask about gas safety, compliance, and installation in South Africa.

Certificates, Legal & Property

Do I need a Gas Certificate of Conformity (CoC)?

Yes, all fixed gas installations require a valid Gas CoC issued by a registered gas practitioner after inspection and testing.

Yes, a valid certificate is required when transferring ownership of a property.

No, installations must be completed by a qualified professional to ensure compliance and safety.

It remains valid for a period of 5 Years from installation. A new certificate is required after any modifications or repairs or after five years from installation date.

Gas Stove & Hob Installations

Do I need a Certificate of Compliance (CoC) for a gas hob installation?

Yes. Any fixed gas appliance, including a built-in gas hob, requires a valid Certificate of Confirmation issued by a registered gas practitioner. This applies whether the hob is newly installed or replacing an existing unit. Without a CoC, the installation is non-compliant and may affect insurance claims and property transfers.

Yes, converting from electric to gas is one of the most popular upgrades in South African homes, especially given the impact of load shedding on electric cooking. A registered gas installer will assess your kitchen layout, install the correct pipework, connect the appliance, and issue a Certificate of Conformity once the installation passes inspection.

A minimum clearance of 750 mm is generally required between the top of the gas hob and any overhead cupboard or surface. This may vary depending on the specific appliance and manufacturer guidelines. Combustible surfaces above the hob must be adequately protected. Your installer will confirm the correct clearance for your specific setup.

Yes, a gas hob combined with an electric oven is one of the most common kitchen configurations in South Africa. The gas hob and electric oven operate independently and are fully compatible. Your gas installer handles the gas hob connection, while the oven uses your standard electrical supply.

Both methods are used depending on the application. Built-in gas hobs are typically connected using an approved flexible hose and solid copper / Pex pipework with the correct shut off valve and fittings. The method used depends on the appliance, kitchen layout, and compliance requirements. Your registered installer will specify the safest and most compliant connection type.

Yes, gas hobs can be installed in flats and apartments, subject to the building’s regulations and body corporate rules. LP gas cylinder storage in flats is limited to a maximum of 9 kg. Ventilation requirements must be met, and a Certificate of Conformity is mandatory. Always check with your body corporate before proceeding.

LPG (Liquid Petroleum Gas) and natural gas operate at different pressures and use different burner jet sizes. Most gas appliances in South Africa are configured for LPG, as natural gas is not widely available outside of certain metros. If you purchase an appliance designed for natural gas, it will need to be converted by a qualified technician before use with LPG.

A straightforward gas hob installation in an existing kitchen typically takes two to four hours. More complex installations involving new pipework, cylinder setup, or structural changes may take longer. Your installer will provide a time estimate based on the specific requirements of your home.

Freestanding gas stoves must maintain adequate clearance from combustible walls and surfaces on all sides. A minimum side clearance of 150 mm is typically required, and the area above the cooktop must meet the same 750 mm clearance standard as built-in hobs. Your installer will confirm all required clearances based on your appliance and kitchen layout.

Yes, high-output hobs and wok burners are available for domestic use, provided they are approved for LP gas and installed in compliance with SANS 10087 requirements. Higher output burners may require larger cylinders or an upgraded gas supply line. Confirm compatibility and compliance with your installer before purchasing.

Outdoor Gas Cylinders & Safety Distances

What are the required safety distances for gas cylinders?

Follow the 1–2–3 rule:
1 metre from openings below the cylinder valve
2 metres from drains or manholes
3 metres from openings above

  • Up to two cylinders: minimum 1 metre
  • More than two cylinders: minimum 3 metres unless a compliant firewall is installed
Yes, provided the wall meets fire resistance requirements

Enclosures are required in public or accessible areas. In private homes, this depends on the setup.

Yes, but only if ventilation and clearance requirements are met.

Indoor Gas Installations

How much gas is allowed indoors?
  • Flats: up to 9 kg
  • Townhouses: up to 19 kg freestanding(9kg if fixed installation)
  • Houses: up to 19 kg freestanding(9kg if fixed installation)

Yes, one cylinder up to 9kg is allowed if the cupboard is properly ventilated and contains no electrical outlets.

Near an external door with adequate ventilation.

No, multiple cylinders must be installed outdoors.

No, these locations are not permitted.

Appliance Clearances & Ventilation

What type of regulator is used?
Low-pressure regulators matched the appliance.
Yes, if correctly installed and protected.
Yes, if approved and maintained properly for internal use only, Approved solid pipes to be used outdoors.

Regulators, Pipework & Materials

What type of regulator is used?

Low-pressure regulators matched the appliance.

Yes, if correctly installed and protected.
Yes, if approved and maintained properly for internal use only, Approved solid pipes to be used outdoors.

Capacity, Compliance & Fire Safety

When must an installation be registered with local authorities?

When the total gas capacity exceeds 100 kg or any commercial installation.

Yes, especially for commercial or public installations.
No, installations must comply with safety clearance zones.

Yes. All LP gas installations must comply with national standards and safety regulations. Installations must be carried out by a registered gas practitioner and meet the required codes.

Non-compliant installations are unsafe and illegal. You may be required to repair or replace parts of the system before a Certificate of Conformity can be issued. It can also affect insurance claims and property transfers.

Only a qualified and registered gas installer is permitted to carry out gas installations, repairs, and issue Certificates of Conformity.

A full inspection typically includes:

  • Leak detection and pressure testing
  • Pipework and fittings
  • Cylinder placement and safety distances
  • Ventilation requirements
  • Appliance connections and operation

No. Appliances must be approved for use with LP gas and installed according to manufacturer and safety standards.

Risks include gas leaks, fires, explosions, and carbon monoxide exposure. Non-compliance also increases legal and financial liability.
Yes. Proper ventilation prevents gas build-up and reduces the risk of harmful fumes, making it essential for safe operation.
Yes, if your installation no longer meets current standards or shows signs of wear, it should be upgraded to ensure safety and compliance.Latest updated regulations was releases in 2024.
  • Schedule regular inspections
  • Use only registered gas installers
  • Replace worn components promptly
  • Avoid unauthorised modifications

Repairs & Gas Leaks

How often should a gas installation be inspected?
Advisable every year or whenever an issue is suspected.
Inspection, pressure testing, and full system verification.
Yes, but they should be protected from damage.
Turn off the gas supply Avoid electrical switches Ventilate the area Contact a professional immediately
Weigh the cylinder Use a warm water test

Signs of a gas leak include: a rotten egg smell (mercaptan is added to LP gas for detection), hissing sounds near gas lines or cylinders, your gas cylinder emptying faster than usual, yellow or orange flames instead of blue, or unexplained physical symptoms like headaches indoors.

The most common sign is a strong rotten egg smell added to LP gas for detection. Other warning signs include hissing sounds near gas lines, a cylinder emptying faster than normal, yellow or orange flames instead of blue, or symptoms like headaches and dizziness indoors.

Yes, even a small gas leak is dangerous. Gas can build up in enclosed spaces and become explosive. Small leaks can also worsen over time, so any suspected leak should be checked immediately by a professional.

The cost depends on the location and severity of the leak. Minor repairs, such as fixing connections, may start from around R500, while more complex pipe repairs or replacements can range from approximately R800 to R2,500 or more.

If your gas usage suddenly increases without explanation, it may indicate a leak. Common causes include worn hoses, loose connections, faulty regulators, or leaks at appliance connections.

Soapy water can help detect some leaks by forming bubbles where gas escapes. However, it may not detect smaller or hidden leaks. Professional leak detection equipment is more reliable and thorough.

Yes, emergency callout services are available. Gas leaks are considered urgent and should be addressed as quickly as possible.

Yes, after repairs are completed, the system is pressure tested and a Certificate of Conformity is issued to confirm the installation is safe and compliant.

Regular maintenance is essential. This includes annual inspections, replacing rubber hoses every 2 to 3 years, ensuring proper ventilation, and always using a registered gas installer for any work.

Buying & Installation Advice

Can I install a gas geyser myself?

No. Gas geysers must be installed by a registered gas installer to comply with safety regulations and to ensure proper operation.

Select a geyser based on household demand:
  • Small households: 10–15 litres per person
  • Larger households: 20 litres or more per person. Consider peak usage times to ensure sufficient hot water.

Generally, gas geysers must be installed in well-ventilated areas or outdoors. Some small indoor units are allowed in specific situations if ventilation and safety clearances are fully met.

Modern gas geysers include:

  • Flame failure protection
  • Temperature and pressure relief valves
  • Proper venting to prevent harmful gas build-up

Annual servicing is recommended to:

  • Ensure safe operation
  • Maintain efficiency
  • Detect leaks or worn components

Yes. Upgrading ensures improved efficiency, safety compliance, and compatibility with modern appliances.

Proper ventilation prevents the build-up of carbon monoxide and other harmful gases, protecting occupants and maintaining system efficiency.

Signs include:

  • Gas smell around the unit
  • Hissing or unusual noises
  • Rapidly emptying cylinders
  • Yellow or flickering flame instead of stable blue
Yes, but pipe sizing and flow rates must be properly designed to maintain sufficient water pressure and temperature.

Most insurance providers require a valid Certificate of Conformity for your gas installation, including geysers, to cover claims related to leaks or accidents.

An instantaneous (or tankless) gas geyser heats water on demand as it flows through the unit. It uses no energy when idle and delivers a continuous supply of hot water, making it the most popular choice for South African homes. A storage geyser heats and stores a fixed volume of water, which is better suited to applications requiring a large volume of hot water at once, such as filling a bath. Most residential installations use instantaneous units.

An instantaneous (or tankless) gas geyser heats water on demand as it flows through the unit. It uses no energy when idle and delivers a continuous supply of hot water, making it the most popular choice for South African homes. A storage geyser heats and stores a fixed volume of water, which is better suited to applications requiring a large volume of hot water at once, such as filling a bath. Most residential installations use instantaneous units.

In most cases, a gas geyser is cheaper to run than an electric geyser in South Africa. Instantaneous gas geysers only consume gas when hot water is being used, eliminating the standby energy losses associated with electric storage geysers. Actual savings depend on household usage patterns, current LP gas prices, and your electricity tariff. Many homeowners report significant monthly savings after switching to gas.

Gas geysers that combust in an enclosed space must be fitted with a flue to safely vent combustion gases outside the building. The flue must be correctly sized, routed, and terminated in a position that prevents fumes from re-entering the building. Balanced flue or room-sealed geysers draw combustion air from outside and vent exhaust outside simultaneously, making them suitable for installation in enclosed areas where ventilation is limited.

Several brands are widely used in South African gas geyser installations, including Paloma, Bosch, Rinnai, Dewhot, Atlas, Totai, Zero among others. Brand availability and suitability depend on your hot water demand, installation site, and budget. Your installer can recommend the most appropriate brand and model for your specific requirements.

Yes, replacing an existing electric geyser with a gas unit is a common and straightforward upgrade. The installation involves connecting the gas supply, fitting the new unit in a suitable location with adequate ventilation, and issuing a Certificate of Conformity. The existing hot and cold water connections are typically reused. A registered gas installer will manage the full process.

The correct size depends on the number of bathrooms in simultaneous use and the flow rate required. As a general guide:

  • Single bathroom: 12–16 litres per minute
  • Two simultaneous points of use: 20 litres per minute or more
  • Large households or multiple bathrooms: consult your installer for a tailored recommendation

Your installer will assess your peak demand and recommend the correct flow rate and gas input rating

Gas Geysers & Water Heaters

Can I install a gas geyser myself?

No. Gas geysers must be installed by a registered gas installer to comply with safety regulations and to ensure proper operation.

Select a geyser based on household demand:
  • Small households: 10–15 litres per person
  • Larger households: 20 litres or more per person. Consider peak usage times to ensure sufficient hot water.

Generally, gas geysers must be installed in well-ventilated areas or outdoors. Some small indoor units are allowed in specific situations if ventilation and safety clearances are fully met.

Modern gas geysers include:

  • Flame failure protection
  • Temperature and pressure relief valves
  • Proper venting to prevent harmful gas build-up

Annual servicing is recommended to:

  • Ensure safe operation
  • Maintain efficiency
  • Detect leaks or worn components

Yes. Upgrading ensures improved efficiency, safety compliance, and compatibility with modern appliances.

Proper ventilation prevents the build-up of carbon monoxide and other harmful gases, protecting occupants and maintaining system efficiency.

Signs include:

  • Gas smell around the unit
  • Hissing or unusual noises
  • Rapidly emptying cylinders
  • Yellow or flickering flame instead of stable blue
Yes, but pipe sizing and flow rates must be properly designed to maintain sufficient water pressure and temperature.

Most insurance providers require a valid Certificate of Conformity for your gas installation, including geysers, to cover claims related to leaks or accidents.

An instantaneous (or tankless) gas geyser heats water on demand as it flows through the unit. It uses no energy when idle and delivers a continuous supply of hot water, making it the most popular choice for South African homes. A storage geyser heats and stores a fixed volume of water, which is better suited to applications requiring a large volume of hot water at once, such as filling a bath. Most residential installations use instantaneous units.

An instantaneous (or tankless) gas geyser heats water on demand as it flows through the unit. It uses no energy when idle and delivers a continuous supply of hot water, making it the most popular choice for South African homes. A storage geyser heats and stores a fixed volume of water, which is better suited to applications requiring a large volume of hot water at once, such as filling a bath. Most residential installations use instantaneous units.

In most cases, a gas geyser is cheaper to run than an electric geyser in South Africa. Instantaneous gas geysers only consume gas when hot water is being used, eliminating the standby energy losses associated with electric storage geysers. Actual savings depend on household usage patterns, current LP gas prices, and your electricity tariff. Many homeowners report significant monthly savings after switching to gas.

Gas geysers that combust in an enclosed space must be fitted with a flue to safely vent combustion gases outside the building. The flue must be correctly sized, routed, and terminated in a position that prevents fumes from re-entering the building. Balanced flue or room-sealed geysers draw combustion air from outside and vent exhaust outside simultaneously, making them suitable for installation in enclosed areas where ventilation is limited.

Several brands are widely used in South African gas geyser installations, including Paloma, Bosch, Rinnai, Dewhot, Atlas, Totai, Zero among others. Brand availability and suitability depend on your hot water demand, installation site, and budget. Your installer can recommend the most appropriate brand and model for your specific requirements.

Yes, replacing an existing electric geyser with a gas unit is a common and straightforward upgrade. The installation involves connecting the gas supply, fitting the new unit in a suitable location with adequate ventilation, and issuing a Certificate of Conformity. The existing hot and cold water connections are typically reused. A registered gas installer will manage the full process.

The correct size depends on the number of bathrooms in simultaneous use and the flow rate required. As a general guide:

  • Single bathroom: 12–16 litres per minute
  • Two simultaneous points of use: 20 litres per minute or more
  • Large households or multiple bathrooms: consult your installer for a tailored recommendation

Your installer will assess your peak demand and recommend the correct flow rate and gas input rating

Load Shedding & Energy

Can I use gas appliances as a load shedding solution?

Yes. Gas appliances operate completely independently of the electricity grid, making them highly effective during load shedding. Gas hobs, gas geysers, and gas braais continue to function normally during power outages. Many South African households have switched to gas cooking and water heating specifically to reduce their reliance on Eskom and manage the impact of load shedding.

Most modern instantaneous gas geysers use battery-powered ignition and require no electrical connection to operate. This means hot water remains available throughout load shedding without a generator, inverter, or solar backup system. Confirm with your installer that your chosen unit is fully grid-independent before purchase.

The following gas appliances operate independently of the electrical grid:
Gas hobs and cooktops

  • Gas geysers with battery ignition
  • Gas braais and outdoor burners
  • Gas heaters with manual or battery ignition

Some gas appliances, such as certain gas ovens with electronic controls, may require a small electrical connection. Confirm with your installer which appliances are fully load-shedding compatible.

For most South African households, switching to gas for cooking and water heating is a worthwhile investment. The key benefits include independence from load shedding, lower monthly running costs compared to electricity, faster and more responsive cooking, and a reduced environmental impact relative to coal-generated electricity. Gas installations also add value to a property when sold, provided a valid Certificate of Conformity is in place.

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