At Cotswold Koi we have a wide range of replacement parts available for the whole range of Oase UV Lights.

Oase Bitron 90 Degree Connection
Oase Bitron 90 Degree Connection
The Oase Bitron 90 Degree Connection allows you to easily connect flexible hose to your bitron in tight spaces. These Oase Bitron 90 Degree Connection are genuine Oase connectors.
These Oase Bitron 90 Degree Connection are for 2″ Flexible pipe.

Oase Bitron C 24 Spare Parts
Oase Bitron C 24 Spare Parts
This a full list of spares for the Oase Bitron C 24 . Please see the diagram and part number and select the number in the drop down box.
Parts:
- 1 Oase Bitron C 24 UVC cpl. Unit 30909
- 2 Oase Bitron C 24 UVC Electronic 30951
- 3 Oase Bitron C 24 O Ring NBR 82 x 2 SH70 greased 73477
- 4 Oase Bitron C 24 Bulb 56237
- 5 Oase Bitron C 24 Lamp Holding Plate 24232
- 6 Oase Bitron C 24 Lamp Protection 30607
- 7 Oase Bitron C 24 Quartz Sleeve 27579
- 8 Oase Bitron C 24 O-Ring Viton 42 x 5 SH50 greased 73486
- 9 Oase Bitron C 24 ASM Clamp Screw 35113
- 10 Oase Bitron C 24 Spare Cleaning Impeller 42217
- 11 Oase Bitron C 24 Additional Pack 18-110 35092
- 12 Oase Bitron C 24 Oval Head Screw CH-V2A DIN 7981 4.8×19 22853
- 13 Oase Bitron C 24 Foot 35028
- 14 Oase Bitron C 24 Spare Housing 35111
- 15 Oase Bitron C 24 Additional Pack 18-24 35090
- 16 Oase Bitron C 24 ASM Locking 47817
£0.89 – £239.36Price range: £0.89 through £239.36 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page

Oase Bitron C Quartz Sleeves
Oase Bitron C Quartz Sleeves
For those Koi and pond enthusiasts who are not as careful at they should be we sell the Oase Bitron C Quartz Sleeves.
The Oase Bitron C Quartz Sleeve insulates the lamp from the water, allowing the lamp to operate at the optimum performance.
The ultraviolet lamp will remain independent of the flow of water.
Quartz is extremely transparent over a wide spectral range, with a low coefficient of thermal expansion and quartz is resistant to scratching and thermal shock. Fused quartz is made form crushing and melting natural materials. The purity of quartz is paramount to the efficiency of the lamp and sleeve.
The Quartz sleeves are available for the following Bitron C models
- 18w/24w
- 36w/55w

Oase Filtoclear Quartz Sleeves
Oase Filtoclear Quartz Sleeves
For those Koi and pond enthusiasts who are not as careful at they should be we sell the Oase Filtoclear Quartz Sleeves.
The Oase Filtoclear Quartz Sleeve insulates the lamp from the water, allowing the lamp to operate at the optimum performance.
The ultraviolet lamp will remain independent of the flow of water.
Quartz is extremely transparent over a wide spectral range, with a low coefficient of thermal expansion and quartz is resistant to scratching and thermal shock. Fused quartz is made form crushing and melting natural materials. The purity of quartz is paramount to the efficiency of the lamp and sleeve.
The Oase Filtoclear Quartz sleeves are available for the following
- Oase Filtoclear 12000
- Oase Filtoclear 16000
- Oase Filtoclear 20000/30000

Oase Filtoclear Replacement Bulbs
Oase Filtoclear Replacement Bulbs
The Oase Filtoclear Replacement Bulbs are characterized by there high quality. The Oase Filtoclear Replacement Bulbs are a PLL bulb with 4 Pins and are available for the 4 different types of Filtoclear. Since the UVC clarifier is mostly in constant use, the effect can wear off after approx. 8000 hours. It is therefore recommended that the lamps be replaced at regular intervals. It is best to think about this in spring so that your clarifier is ready for the whole pond season.
Sizes Available:
- Oase Filtoclear 5000 – 18w PLL
- Oase Filtoclear 13000 – 24w PLL
- Oase Filtoclear 19000 – 42w PLL
- Oase Filtoclear 31000 – 60w PLL
£35.99 – £52.19Price range: £35.99 through £52.19 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page

Oase UV Replacement Bulbs
Oase UV Replacement Bulbs
The Oase UV Replacement Bulbs are characterized by there high quality. Since the UVC clarifier is mostly in constant use, the effect can wear off after approx. 8000 hours. It is therefore recommended that the lamps be replaced at regular intervals. It is best to think about this in spring so that your clarifier is ready for the whole pond season. These are available in 7 different sizes.
Sizes:
- 11w
- 13w
- 18w
- 24w
- 36w
- 55w
- 60w
£20.41 – £51.50Price range: £20.41 through £51.50 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page

Oase Vitronic 11W Spare Parts
Oase Vitronic 11W Spare Parts
This a full list of spares for the Oase Vitronic 11w. Please see the diagram and part number and select the number in the drop down box.
Parts:
- 1 Oase Vitronic 11w Ballast Unit 15665
- 2 Oase Vitronic 11w Replacement Bulb 56112
- 3 Oase Vitronic 11w Replacement Quartz 13312
- 4 Oase Vitronic 11w Clip And Bolt Sealing Kit 15535
- 5 Oase Vitronic 11w Spare Part Set 27576
- 6 Oase Vitronic 11w Replacement Body 88470
£5.67 – £54.63Price range: £5.67 through £54.63 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page

Oase Vitronic 18W Spare Parts
Oase Vitronic 18W Spare Parts
This a full list of spares for the Oase Vitronic 18w. Please see the diagram and part number and select the number in the drop down box.
Parts:
- 1 Oase Vitronic 18w Ballast Unit 35839
- 2 Oase Vitronic 18w Replacement Bulb 56236
- 3 Oase Vitronic 18w Replacement Quartz 21763
- 4 Oase Vitronic 18w Clip And Bolt Sealing Kit 15748
- 5 Oase Vitronic 18w Replacement Body 22206
- 6 Oase Vitronic 18w Spare Part Set 35877
- 7 Oase Vitronic 18w Flat gasket hose tail 1 1/2″ 19491
- 8 Oase Vitronic 18w Cap nut 20 mm G 1 1/2″ 15445
£0.89 – £87.41Price range: £0.89 through £87.41 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page

Oase Vitronic 24W Spare Parts
Oase Vitronic 24W Spare Parts
This a full list of spares for the Oase Vitronic 24w. Please see the diagram and part number and select the number in the drop down box.
Parts:
- 1 Oase Vitronic 24w Ballast Unit 22219
- 2 Oase Vitronic 24w Replacement Bulb 56237
- 3 Oase Vitronic 24w Replacement Quartz 21763
- 4 Oase Vitronic 24w Clip And Bolt Sealing Kit 15748
- 5 Oase Vitronic 24w Replacement Body 22206
- 6 Oase Vitronic 24w Spare Part Set 35877
- 7 Oase Vitronic 24w Flat gasket hose tail 1 1/2″ 19491
- 8 Oase Vitronic 24w Cap nut 20 mm G 1 1/2″ 15445
£0.89 – £99.34Price range: £0.89 through £99.34 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page

Oase Vitronic 36W Spare Parts
Oase Vitronic 36W Spare Parts
This a full list of spares for the Oase Vitronic 36w. Please see the diagram and part number and select the number in the drop down box.
Parts:
- 1 Oase Vitronic 36w Ballast Unit 35840
- 2 Oase Vitronic 36w Replacement Bulb 55432
- 3 Oase Vitronic 36w Replacement Quartz 21763
- 4 Oase Vitronic 36w Clip And Bolt Sealing Kit 15748
- 5 Oase Vitronic 36w Replacement Body 22206
- 6 Oase Vitronic 36w Spare Part Set 35877
- 7 Oase Vitronic 36w Flat gasket hose tail 1 1/2″ 19491
- 8 Oase Vitronic 36w Cap nut 20 mm G 1 1/2″ 15445
£0.89 – £107.66Price range: £0.89 through £107.66 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page

Oase Vitronic 55W Spare Parts
Oase Vitronic 55W Spare Parts
This a full list of spares for the Oase Vitronic 55w. Please see the diagram and part number and select the number in the drop down box.
Parts:
- 1 Oase Vitronic 55w Ballast Unit 35841
- 2 Oase Vitronic 55w Replacement Bulb 56636
- 3 Oase Vitronic 55w Replacement Quartz 13331
- 4 Oase Vitronic 55w Clip And Bolt Sealing Kit 15748
- 5 Oase Vitronic 55w Replacement Body 35797
- 6 Oase Vitronic 55w Spare Part Set 35877
- 7 Oase Vitronic 55w O-Ring NBR 40 x 3 SH70 A 3555
- 8 Oase Vitronic 55w Inspection glass Vitronic 29421
- 9 Oase Vitronic 55w Coupling nut 1 1/2″ 12096
£0.89 – £142.04Price range: £0.89 through £142.04 inc. VAT Select options This product has multiple variants. The options may be chosen on the product page
