O-Ring 25.12 x 1.78 mm for SITA UV400 Centre Screw, UVOR2100
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Product Description
O-Ring 25.12 x 1.78 mm for SITA UV400 Centre Screw, UVOR2100, article 3865-1216. Data: inside diameter 25.12 mm, cross-section 1.78 mm. OEM reference: UVOR2100. Fits: UV400 / 400 series. Sleeve and chamber seals harden under UV, heat and chlorinated water. Replace them at every lamp or sleeve service; a re-used O-ring is the usual cause of a leaking sleeve gland. SITA HDPE series data: high-density polyethylene chamber for seawater and corrosive liquids, 1-980 m3/h, low-pressure high-efficiency or amalgam lamps with 9,000-16,000 h lamp life, 6 bar. Spare part for UV disinfection systems of S.I.T.A. srl, Genoa, Italy, which builds low-pressure, amalgam and medium-pressure UV units for drinking water, food and beverage, aquaculture, swimming pool, marine and wastewater duty (series AL, LCD / Rack LCD, AM, IT, 440, HDPE, SBT, SMP, SSD, TOC, GR and Pool).
Technical Specifications
- Part number
- UVOR2100
- Article number
- 3865-1216
- OEM reference
- UVOR2100
- System manufacturer
- S.I.T.A. srl (SITA UV), Italy
- Component type
- O-ring / seal
- Inside diameter
- 25.12 mm
- Cross-section
- 1.78 mm
- Size equivalent
- AS568-022 dimensions
- Fits
- UV400 / 400 series
- HS code
- 4016.93
Standards & Compliance
- HS Code
- 4016.93
Cross References
- Article 3865-1216
- SITA UVOR2100
Compatibility & Fitment
Fits: UV400 / 400 series
Product Documentation
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Technical guides
Catalogue entry last verified: 2026-09-20. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy UVOR2100?
- UVOR2100 can be ordered from cballast.com as a SITA catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this SITA product?
- The manufacturer part number is UVOR2100.
- What is the HS code for UVOR2100?
- The customs tariff (HS) code for UVOR2100 is 4016.93.
- Who manufactures UVOR2100?
- UVOR2100 is a SITA product in the Electrochlorination & Water Treatment range.
- Is a datasheet available for UVOR2100?
- Yes — the UVOR2100 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for UVOR2100?
- The minimum order quantity is 1.
- Is UVOR2100 available?
- Yes — UVOR2100 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).