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Reviewed by Marcus AldridgeSenior Editorial Reviewer — Plumbing, HVAC & Wet Trades
Who to call · Leiden

Water heater pilot light outLeiden, South Holland

A gas water heater that has lost its pilot light will stop producing hot water. Common causes include a faulty thermocouple, a dirty pilot orifice, or a draft blowing out the flame. While relighting the pilot is sometimes a simple DIY fix, repeated outages indicate a component failure that requires a licensed plumber or gas technician.

Why this is common in Leiden

Plumbers in Leiden deal with hard-water limescale, ageing pipework in the older stock, and — on the wet Dutch subsoil — drainage, cellar pumps and damp. Gas and water work runs through recognised installers (InstallQ).

Who to call

For this problem in Leiden, call a: Plumber

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Symptoms to look for

  • No hot water from any faucet in the house
  • Pilot light window on the water heater shows no flame
  • Water heater status light is blinking an error code
  • Slight gas smell near the water heater (turn off gas and call a pro immediately)
  • Pilot light relights but goes out again within seconds

Emergency Service in Leiden

Emergency services in Leiden respond within 25–55 minutes across the city. Emergency rates run €70–€170 for callout plus €65–€130/hour incl. BTW.

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