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Smell of Gas

Smell of Gas — Fire or explosion risk

Buderus · Logamax plus GB142 Boiler

What does Smell of Gas mean?

If you detect the odor of gas near the boiler, it indicates a serious potential hazard. This situation could lead to fire, personal injury, or explosion. Propane gas is heavier than air and will settle near the floor.

Common Causes

  • Gas leak in the vicinity of the boiler
  • Damaged gas line or connection
  • Malfunctioning boiler components causing gas release

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Do not try to light any boiler or touch any electrical switch in the building.

  2. 2

    Do not use any phone in your building; immediately evacuate to a neighbor's phone.

  3. 3

    From a neighbor's phone, immediately call your gas supplier and follow their instructions.

  4. 4

    If you cannot reach your gas supplier, call the fire department immediately.

  5. 5

    Ensure installation and service are performed only by a qualified installer or service agency.

Browse all codes in this manual (4)
Verified technical data. Last updated: April 2026

Related Faults

04Display shows '04' — Flow temperature higher than setFlashing Error CodeFlashing Error Code on Display — General boiler faultH 7 / PxxAlternating Display 'H 7 / Pxx' — Water pressure too low
Source: Buderus Logamax plus GB142 Boiler
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