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You are here: Home1 / News & Events2 / Uncategorized3 / Mainline Backflow Products

Mainline Backflow Products

Fullport Backwater Valves

Mainline’s new and innovative product designs have quickly captured the attention of code officials and the plumbing industry across North America making Mainline Backflow Products the professionals’ choice for sewer protection.



Mainline Fullport Backwater Valve

The ‘Mainline Fullport Backwater Valve’, the flagship product of the company, has brought MBP several nationally recognized awards because of its normally open gate concept.

MBP successfully changed the National Plumbing Code of Canada through its development of the innovative ‘normally open’ backwater valve design. Changing this code was necessary before MBP could go to market, as previous codes restricted backwater valves to only the branches (branch line protection) of a building drain. As a result of the unique venting capabilities of the Mainline Fullport (normally open) Backwater Valve, a special change to the NPC 95 was passed in October 1998. Canadian Codes would now allow main building-drain protection, eliminating the need for backwater valves to be installed in every branch of the building drain system.



Adapt-a-Valve

MBP designed and implemented the unique ‘Adapt-a-Valve’ series of extendable backwater valves. These valves have taken the ‘slab on grade’ housing industry to a new level in sewer protection. Now, instead of awkward unsightly manholes or vaults in residential properties, sewer protection can be much more discrete and not as visible with the easy to service and accessible Adapt-a-Valve Backwater Valve. The patented design requires only a modest 4 inch or 6 inch sewer cap to access the working mechanisms of the valve!  The Adapt-a-Valve also allows for the pressure testing or flushing on the plumbing system with its ‘Test-Eze’ gate.


For complete product offering, visit the MainLine Backflow Products website here.

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