The valves for sale here range in style from the ABS ball valve to the inline valves used for aquariums or ponds. The inline valve is often used for aquariums and ponds as well. The inline valves are normally very reliable for years of service. Some have reverse flow design so the water does not continuously flow which can waste water. They are often used in sprinklers and are not as pricey as the other types. 
Pond Water Fountain Pump Submersible 380 LTR Free P&P

Pond Water Fountain Pump Submersible 380 LTR Free P&P

- £9.99 7h 50m
....BLAGDON KOI AIR 50 POND AIR PUMP....

....BLAGDON KOI AIR 50 POND AIR PUMP....

£52.95 11h 16m
....BLAGDON POND AIR 2 POND AIR PUMP....

....BLAGDON POND AIR 2 POND AIR PUMP....

£17.75 11h 24m
DRILL POWERED PUMP SYPHON ATTACHMENT - POND POOL WATER

DRILL POWERED PUMP SYPHON ATTACHMENT - POND POOL WATER

£1.99 13h 30m
1 2" DRILL HOSE PUMP FOR POND PUMPING WATER FLUID ETC

1 2" DRILL HOSE PUMP FOR POND PUMPING WATER FLUID ETC

£6.99 14h 3m
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