What should be installed at the terminal of a gas appliance flue according to BS5440pt1?

• Catchment space

• Restrictors

• Dampers

• Chimney pot

What is the purpose of a flue flow test?

• To detect concentrations of CO, CO2, oxygen, and nitrogen

• To check for adequate air supply

• To investigate signs of staining and discolouration

• To confirm products of combustion are traveling up the flue

What does a successful spillage test confirm?

• The products of combustion are not being ejected into the room

• The flue is not affected by extractor fans or cooker hoods

• The smoke from the match is drawn into the flue

• The appliance is operating at maximum efficiency

What is the purpose of using a flue gas analyser on gas appliances?

• To check for adequate air supply

• To investigate signs of staining and discolouration

• To confirm the presence of a catchment space

• To detect concentrations of CO, CO2, oxygen, and nitrogen

What should be completely free of debris and sealed from the surrounding structure for a gas fire installation?

• Restrictors

• Chimney pot

• Dampers

• Catchment space

What should be permanently removed or fastened to be permanently open for a gas fire installation on the chimney?

• Chimney pot

• Restrictors

• Catchment space

• Dampers