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Catering Equipment Guides

How to identify a failed part, what it does, and which replacement fits your equipment. Written for UK commercial kitchens.

11 guides tagged “gas control valve”

Gas Fryer troubleshooting guide — Launchcatering

Commercial Gas Fryer Troubleshooting: Won't Heat or Light

If your commercial gas fryer won't stay lit, the thermocouple is the first suspect. If it lights but...

23 Jul 2026 8 min read

Gas Pizza Oven troubleshooting guide — Launchcatering

Commercial Gas Pizza Oven Troubleshooting Guide

If your gas pizza oven won't reach or hold temperature, the thermostat is the prime suspect — but...

23 Jul 2026 7 min read

Gas Wok Cooker troubleshooting guide — Launchcatering

Commercial Gas Wok Cooker Troubleshooting Guide

Most commercial wok range faults come down to grease in the burner jets or the pilot. If one...

23 Jul 2026 7 min read

Pilot Light Won't Stay Lit? How to Test and Replace a Thermocouple

Pilot Light Won't Stay Lit? How to Test and Replace a Thermocouple

If your pilot light goes out the moment you release the control knob, the thermocouple has almost certainly...

13 Jul 2026 6 min read

Robertshaw thermopile for commercial gas equipment

Thermocouple vs Thermopile: What's the Difference and Which Do I Need?

A thermocouple is a single junction producing about 25 to 30 millivolts — just enough to hold a...

13 Jul 2026 4 min read

Pilot burner jet for commercial gas equipment, natural gas and LPG sizes

Pilot Burner Jets Explained: Sizes, LPG vs Natural Gas, and Conversions

A pilot burner jet is a precision orifice that meters gas to the pilot flame. LPG jets are...

13 Jul 2026 4 min read

PEL Pintossi gas tap safety valve for commercial catering equipment

Gas Control Valves and Flame Failure Devices (FFD) Explained

A gas control valve meters gas to the burner and carries the flame failure device (FFD) — the...

13 Jul 2026 4 min read

Universal gas control knob 70mm for commercial gas cooker

Melted or Spinning Gas Control Knob? How to Replace It Properly

A gas control knob is a safety component, not a cosmetic one. If it spins on the shaft,...

12 Jul 2026 3 min read

Robertshaw millivolt fryer thermostat for commercial gas fryer

Fryer Not Holding Temperature? How to Diagnose a Failed Thermostat

If your fryer overshoots its set temperature, runs cold, or swings wildly, the operating thermostat has usually failed....

12 Jul 2026 4 min read

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