Trojan Quartz Sleeve Holder / Quartz Glass Nut — A-Series
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Product Description
The quartz sleeve holder — the quartz glass nut — for Trojan A-series reactors, original part number 793074. It is the threaded gland that clamps the quartz sleeve into the end chamber and holds it concentric against the sealing face. Because it sets the compression on the sleeve seal, it is a part that matters more than its price suggests: overtightened it stresses the glass, undertightened it lets the sleeve weep, and a nut whose thread or sealing face has been damaged will do one or the other whatever torque is applied to it. Inspect it whenever a sleeve is changed and replace it if the thread is galled or the face is scored. Supplied by cBallast on quote-to-invoice terms; lead time and freight are quoted per RFQ against the destination Incoterm.
Technical Specifications
- Product type
- Quartz sleeve holder / quartz glass nut
- Original Trojan part number
- 793074
- Fits Trojan reactors
- A-series
- Function
- Clamps and centres the quartz sleeve in the end chamber and sets the seal compression
- HS code
- 7020.00
Standards & Compliance
- Material
- Fused quartz (SiO2)
- HS Code
- 7020.00
Cross References
- Article 1557-1107
- 793074
- Trojan 793074
Compatibility & Fitment
Compatible with Trojan UVMax A residential UV disinfection system (legacy).
Product Documentation
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Catalogue entry last verified: 2026-10-02. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 1557-1107?
- 1557-1107 can be ordered from cballast.com as a Trojan 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 Trojan product?
- The manufacturer part number is 1557-1107.
- What is the HS code for 1557-1107?
- The customs tariff (HS) code for 1557-1107 is 7020.00.
- Who manufactures 1557-1107?
- 1557-1107 is a Trojan product in the Electrochlorination & Water Treatment range.
- Is a datasheet available for 1557-1107?
- Yes — the 1557-1107 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 1557-1107?
- The minimum order quantity is 1.
- Is 1557-1107 available?
- Yes — 1557-1107 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).