I recently had plumbing job in Bristol that required the replacement of a shower cartridge, but I had problems with identifying a cartridge for a Bensham shower. I thought I would share my findings in case it helps anyone else.
The shower was a Bensham Edwardian exposed thermostatic shower, and the cartridge is manufactured by Valquest, model DC70.
DC70 comes in two versions: SDC70-T32 and SDC70-T20. You can tell which version you have by counting the number of brass teeth, so T32 = 32 teeth and T20 = 20 teeth.
Valquest DC70 model identification
Other shower makes that use this cartridge are Trueshopping and Crosswater.
A change in the law in October 2011, the sections of sewers and pipe that you share with neighbors and pipes outside your property boundary, which connect to our existing network, are now the responsibility of the local water company. The diagram below will make things a little clearer.
Drains “A drain is a pipe that drains water and waste from a building with in the property boundary” Are the responsibility of the home owner except where you share with your neighbors (see diagram)
Lateral drain “A lateral drain is a pipe which lies outside of your property boundary it carries waste water away from a building” are publicly owned and should be maintained by the local water company with in your area
Sewer “A sewer collects water and waste from the lateral drains of buildings” are normally publicly owned and should be maintained by the local water company with in your area.