Corgi Assurance
When servicing a gas appliance, it is done by a qualified Corgi person, the following are undertaken.
- operating pressure at the gas meter
- appliance operating pressure
- verify the gas rate at the meter test dial
- the size of pilot and burner injector
- the pilot position (incorrect siting could cause flame impingement)
- internal gas escapes (escapes from splits in the burner, connections, etc)
- burner clean, correctly assembled and positioned
burner undamaged, check flame picture
- heat exchanger clean, especially low water content appliances with copper-finned heat exchangers (check if the fins could be restricted or even blocked)
- position of internal baffles in the heat exchanger
- open-flue appliance operation, supply of combustion air, no spillage (can cause vitiation)
- room-sealed appliance operation, no combustion products re-circulating causing vitiation, flue exhaust duct sealed satisfactorily
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