Water & Flood Detectors
316 productsUpdated March 2026

Marsh
Marsh ENCO 16 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 250mm Riser - Gravity Outlet
£3856.75
2 offers

Marsh
Marsh ENSIGN 12 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 1000mm Riser - Gravity Outlet
£3473.99
2 offers

Marsh
Marsh ENSIGN 12 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm - Gravity Outlet
£3296.44
2 offers

Marsh
Marsh ENSIGN 12 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 250mm Riser andamp; 300mm AVR Unit - Gravity Outlet
£3564.22
2 offers

Marsh
Marsh ENSIGN 4 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 750mm Riser andamp; 200mm AVR Unit - Gravity Outlet
£2966.06
2 offers

Triton
Triton Controls LR02-IS 10m ATEX Float Switch
£70.97
2 offers

Marsh
Marsh ENSIGN 10 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 750mm Riser - Gravity Outlet
£3236.76
2 offers

Marsh
Marsh ENSIGN 16 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 750mm Riser andamp; 300mm AVR Unit - Gravity Outlet
£4181.30
2 offers

Coopers of Stortford
Waterproof Outdoor Extension Box
£19.99
2 offers

Marsh
Marsh ENCO 8 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 500mm Riser - Gravity Outlet
£2819.06
2 offers

Marsh
Marsh ENSIGN 16 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm - Gravity Outlet
£3878.58
2 offers

Marsh
Marsh ENSIGN 12 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 500mm Riser andamp; 300mm AVR Unit - Gravity Outlet
£3581.69
2 offers

Marsh
Marsh ENSIGN ULTRA 10 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 1000mm Riser - Gravity Outlet
£639.13
2 offers

Marsh
Marsh ENSIGN ULTRA 10 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 300mm AVR Unit - Pumped Outlet
£75.20
2 offers

Marsh
Marsh ENSIGN 8 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 250mm Riser - Gravity Outlet
£3027.18
2 offers

Marsh
Marsh ENCO 12 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 300mm AVR Unit - Gravity Outlet
£3294.97
2 offers

Marsh
Marsh ENSIGN ULTRA 10 Person Sewage Treatment Plant with Beacon Alarm andamp; 750mm Riser - Gravity Outlet
£639.13
2 offers

Marsh
Marsh ENSIGN 4 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 250mm Riser - Gravity Outlet
£2787.05
2 offers

Marsh
Marsh ENSIGN ULTRA 12 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 300mm AVR Unit - Gravity Outlet
£394.33
2 offers

Marsh
Marsh ENSIGN ULTRA 8 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 1000mm Riser - Gravity Outlet
£12.49
2 offers

Marsh
Marsh ENSIGN 8 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 750mm Riser andamp; 200mm AVR Unit - Gravity Outlet
£3206.20
2 offers

Marsh
Marsh ENSIGN 10 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 1000mm Riser andamp; 200mm AVR Unit - Gravity Outlet
£3398.30
2 offers

Marsh
Marsh ENSIGN ULTRA 10 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 250mm Riser - Gravity Outlet
£639.13
2 offers

Marsh
Marsh ENSIGN ULTRA 10 Person Sewage Treatment Plant with Pressure Switch Beacon Alarm andamp; 750mm Riser andamp; 200mm AVR Unit - Gravity Outlet
£1477.08
2 offers