Compartment installation

Compartment clearances (kitchen models)

Follow the requirements of BS5410 and note:

• Minimum clearances must be maintained.
• An access door is required to install, service and maintain the boiler and any ancillary equipment.
• If fitting the boiler into an airing cupboard use a non-combustible material (if perforated, maximum hole sizes of 13mm) to separate the boiler from the airing space.

Compartment ventilation

• Ventilation must be provided for boilers fitted into compartments as described in BS5410.
• A minimum of 2 air vents must be fitted, one at low level (C) and another at high level (D) onto the same wall using the same air (E) for circulation.
• Air vents must allow access for clean free air and must be sited to comply with the flue terminal position requirements.
• Air ducting runs must not exceed 3 metres.
• Low level air vents must be less than 450mm from the floor.
• A warning label must be added to the vents with a statement to the effect: “Do not block this vent. Do not use for storage”.

Conventional flue

Room sealed flue