Specialist flue systems

What type of shared flue is pictured here?

• SE

• U

• Shunt

• CFS

What shared flue system is this?

• CFS

• Shunt

• SE

• U

Which appliance types are allowed in SE and U duct systems?

• Open flue natural draught

• Flueless

• Room sealed fan assissted

• Room sealed natural draught

Air inlet ducts must have grilles fitted with openings between....

• 5-10mm

• 4-8mm

• 10-16mm

• 15-20mm

What is pictured here?

• Vertex system

• SE duct system

• Balanced compartment

• Open flued natural draught system

Balanced compartment installations must be fitted with what?

• A notice stating the door must be kept closed at all times.

• A self closing mechanism on the door.

• Electric interlock to shut down the boiler when the door is open.

• Extra ventilation on the doors.

What are the suitable flue classifications for a U-duct system?

• C42, C83, C21

• C82, C83

• C21, C22, C23

• C21, C42, C82

What are the suitable flue classifications for a CFS/NV system?

• C22, C21

• C42, C43

• C82, C83P

• C23, C82

What flue system is pictured here?

• Vortex

• Virtue

• Vertex

• Fortex

The draught break on a vertex flue system should be at least ______mm above any flooring or insulation in the loft?

• 200mm

• 600mm

• 400mm

• 300mm