Berson Gland Screws, M4, 187-0721
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Product Description
The gland compresses the seal that closes the quartz sleeve or sensor port against the reactor body. Gland condition governs whether the reactor holds pressure, and over-tightening a gland is a common way to crack a quartz sleeve on reassembly. These are the M4 screws that secure and seal the gland. Original Berson number 187-0721.
Technical Specifications
- Component type
- Gland screws
- Thread
- M4
- Original part number
- 187-0721
- HS code
- 8421.99
Standards & Compliance
- HS Code
- 8421.99
Cross References
- Article 10156-1109
- Berson 187-0721
Compatibility & Fitment
Part is for listed systems. For other UV systems, provide serial number to confirm compatibility.
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 10156-1109?
- 10156-1109 can be ordered from cballast.com as a Berson 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 Berson product?
- The manufacturer part number is 10156-1109.
- What is the HS code for 10156-1109?
- The customs tariff (HS) code for 10156-1109 is 8421.99.
- Who manufactures 10156-1109?
- 10156-1109 is a Berson product in the Electrochlorination & Water Treatment range.
- Is a datasheet available for 10156-1109?
- Yes — the 10156-1109 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 10156-1109?
- The minimum order quantity is 1.
- Is 10156-1109 available?
- Yes — 10156-1109 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).