Description

Air Admittance Valve 32/40/50mm – GREY

• Product is A1 approved in accordance with BS EN 12380
• It can be installed below the flood level of connected appliances
• Tested and approved for use in installations varying between -20° & +60°c (no insulation required)
• CE marked to level 4, attestation of conformity in accordance with BS EN 12380
• Licensed in accordance with BS EN 12380:2002 licence number KM 512474

General Information

• When installed into sanitary pipework systems conforming to BS EN 12056:2000
• The Air Admittance Valve not only prevents the loss of water from trap seals due to induced siphonage but also has the added advantage of providing an early warning indicator to a potential drainage blockage
• The Air Admittance Valve may also be used as a secondary rodding point to remove such blockages
• All Valves should be stored in an upright position
• Approved Document H of the Building Regulations only permits Air Admittance Valves that conform to BS EN 12380
• Internal Air Admittance Valves
• It is recommended that air admittance valves are not used externally, as environmental debris will affect the air tightness performance of the valve
• 32mm, 40mm and 50mm Air Admittance Valves are produced from white ABS/PVC
• We have designed for use with waste pipe conforming to British/European standards connected by a solvent cemented pipe adaptor supplied with the product
• Ventilation and access must be provided to all Air Admittance Valve installations