At Cotswold Koi we have a wide range of Hi Blow Spares. Hi Blow are one of the leading manufactures of air pumps. We have there replacement diaphragm kits readily available.
Hi Blow XP 40 Diaphragm Replacement (2 Part)
Hi Blow XP 40 Diaphragm Replacement (2 Part)
The Hi Blow XP series Diaphragm kit includes 2x diaphragms with mounting blocks. Both should be replaced at the same time. Read more
We do recommend changing the diaphragms every 5 years.
Hi Blow XP 80 Diaphragm Replacement (2 Part)
Hi Blow XP 80 Diaphragm Replacement (2 Part)
The Hi Blow XP series Diaphragm kit includes 2x diaphragms with mounting blocks. Both should be replaced at the same time. Read more
We do recommend changing the diaphragms every 5 years.
Replacement Activating Rods For HI Blow Air Pumps
Replacement Activating Rods For HI Blow Air Pumps
The Replacement Activating Rods For HI Blow Air Pumps are available for the whole range of Hi Blows. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump. Read more
Replacement Air Filters For HI Blow Air Pumps
Replacement Air Filters For HI Blow Air Pumps
The Replacement Air Filters For HI Blow Air Pumps are available for the whole range of Hi Blows. Your inlet filter should be washed out every 6 months and replaced every year. Failing to do so can reduce the pumps flow up to 30% and cause possible overheating. Read more
Replacement Diaphragms For HI Blow 100/120
Replacement Diaphragms For HI Blow 100/120
This is a pair of diaphragms mounting blocks for the HP100 or the HP120. Both diaphragms should be replaced at the same time. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump. Read more
Replacement Diaphragms For HI Blow 20
Replacement Diaphragms For HI Blow 20
This is a pair of diaphragms mounting blocks for the HP20. Both diaphragms should be replaced at the same time. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump.
Replacement Diaphragms For HI Blow 200
Replacement Diaphragms For HI Blow 200
This is a pair of diaphragms mounting blocks for the HP 200. Both diaphragms should be replaced at the same time. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump. Read more
Replacement Diaphragms For HI Blow 40
Replacement Diaphragms For HI Blow 40
This is a pair of diaphragms mounting blocks for the HP40. Both diaphragms should be replaced at the same time. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump. Read more
Replacement Diaphragms For HI Blow 60/80
Replacement Diaphragms For HI Blow 60/80
This is a pair of diaphragms mounting blocks for the HP60 or the HP80. Both diaphragms should be replaced at the same time. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump. Read more
Replacement Electro Magnets For HI Blow Air Pumps
Replacement Electro Magnets For HI Blow Air Pumps
The Replacement Electro Magnets For HI Blow Air Pumps are available for the whole range of Hi Blows. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump. Read more
Replacement Inlet & Exhaust Casing Set For Hi Blows
Replacement Inlet & Exhaust Casing Set For Hi Blows
The Replacement Inlet & Exhaust Casing Set For Hi Blows are available for the whole range of Hi Blows. We advise for all air stone and airlines running off any air pump to be fitted with a anti syphon non return valve, especially if the Pump is to be placed below the level of the surface of the pond water, as this will prevent any water from siphoning back and damaging the Pump. Read more
Replacement Safety Pin For HI Blow HP Air Pumps
Replacement Safety Pin For HI Blow HP Air Pumps
The Replacement Safety Pin For HI Blow HP Air Pumps are available for the whole range of Hi Blow air pumps. Read more