Reyds.Heat pumps · Boilers · Steam

Blackheath · Johannesburg

John Thompson Gas Boiler Repairs in Blackheath

John Thompson gas boiler repairs in Blackheath. Locally manufactured industrial plant with strong local parts support.

John Thompson equipment we work on includes packaged steam and hot water boilers. Commonly replaced parts on this brand are level controls, burners, refractory, and we keep or source these against the unit's model and serial plate rather than by guesswork.

Gas boiler repairs concentrate on the ignition and flame supervision chain: gas train, solenoids, ignition transformer, electrode gap, flame rod or UV cell, and the air proving switch. Lockouts are a symptom; the fault is normally in gas pressure, air proving or a dirty sensing path.

Blackheath is a high-value residential pocket of Randburg, typically with multiple geysers or a heat pump on buffer storage, and in many cases pool or underfloor heating on the same plantroom. Blackheath falls inside our core northern-suburb route, so response is normally same-day for loss-of-hot-water call-outs. Sites with long, poorly insulated pipework lose more heat in distribution than most owners expect, which reads as a capacity problem at the outlet.

Area
Blackheath, Johannesburg
Parts
Level controls, burners, refractory
Call
069 268 0988

John Thompson · Blackheath

Scope of work

  • Gas train, regulator and solenoid testing
  • Ignition electrode and transformer replacement
  • Flame rod and UV scanner repairs
  • Air pressure switch and fan repairs
  • Heat exchanger clean and leak testing
  • Gas leak detection and pipework repairs

Technical detail

Specifications

FuelsNatural gas (methane) and LPG
TypesCondensing, atmospheric, forced draught
TestingCombustion analysis and tightness testing
SafetyWork in line with SANS gas installation requirements
Local contextBlackheath is a high-value residential pocket of Randburg, typically with multiple geysers or a heat pump on buffer storage, and in many cases pool or underfloor heating on the same plantroom.

Coverage

Nearby areas

    FAQs

    Frequently asked questions

    Are you an authorised John Thompson agent?

    We are an independent specialist. We repair and maintain John Thompson equipment using correct-specification parts, and where a unit is still under manufacturer warranty we will tell you before doing anything that could affect it.

    Can you get John Thompson parts?

    Level controls, burners, refractory for John Thompson are ordered against the model and serial plate. Where an original part has a long lead time we will offer a compatible equivalent and say clearly which one is being fitted.

    What does John Thompson gas boiler repairs include?

    Gas train, regulator and solenoid testing, Ignition electrode and transformer replacement, Flame rod and UV scanner repairs, plus verification that the unit performs to the manufacturer's stated figures after the repair.

    Do you service John Thompson units in Blackheath?

    Yes. Blackheath is inside our service area. Technicians work out of the central Johannesburg base, which keeps travel time short for northern-suburb call-outs.

    Is it worth repairing an older John Thompson unit?

    Where the tank or coil has perforated, replacement is usually the honest answer and we will say so on site. Locally manufactured industrial plant with strong local parts support.

    John Thompson service in Blackheath

    Blackheath falls inside our core northern-suburb route, so response is normally same-day for loss-of-hot-water call-outs.