Why choose the Diamond
cesspit replacement unit?

Outstanding value for money
Continuous bacterial digestion giving 5 year desludging intervals
Easy installation unique design minimises labour
and materials
Low running cost of small, quiet air blower
Robust construction reduces the need for
concrete backfill
Compact design, does not require large plant for excavation or handling
No odours as the process does not require
primary settlement
Low visual impact. Small lid, flush with the ground
Reliable operation.
Simple design, no internal moving parts
Excellent performance meeting normal Environment Agency consented standards
Over 40,000 units installed around the world
Type tested in accordance to prEN12566-3,
the new European standard covering wastewater treatment plants.
Range of eight models available for households of up to 55 domestic equivalent (persons).
No internal mechanical parts means requires less than two hours maintenance a year.