The BBS Automatic Syphon is WRAS Approved and has been available for over 30 years, building an enviable reputation for quality and reliability, resulting in their specification by many large OEM's for use in their cisterns.
Auto syphons are available in either of two outlet sizes: 25mm (1") and 32mm (1.1/4") BSPT. All automatic syphons are supplied complete with two rubber washers and back nut. Each automatic syphon is thoroughly tested before leaving the factory.
• WRAS approved
• Inexpensive, trouble-free and simple to install
• No moving parts - requires virtually no maintenance
• Requires no electricity or energy supply
• Designed to cater for various flushing requirements of large and small urinal w.c installations
• Available in either two outlet sizes: 25mm (1") or 32mm (1.1/4") BSPT
• Supplied complete with two rubber washers and nut
• Each syphon is fully tested before leaving the factory
• Flushing volumes based on 'average' sized cistern and will vary accordingly