Wallace & Tiernan Replacement UV Lamp, WTL1000
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Product Description
Replacement germicidal ultraviolet lamp for the Wallace & Tiernan WTL1000 UV disinfection system. A germicidal lamp loses output steadily through its life while continuing to strike normally, so it is replaced on hours run rather than on failure — running past the rated life is the most common reason a system quietly drifts below its required dose. Wallace & Tiernan is an Evoqua Water Technologies brand, and was part of Siemens Water Technologies before that, so the same equipment is catalogued under all three names and its parts carry Evoqua W3T/W2T and legacy AAC/AAD numbers. Item number 4109-0909. Supplied by cBallast on quote-to-invoice terms; lead time and freight are quoted per RFQ against the destination Incoterm.
Technical Specifications
- Compatible with WTL1000
- Part type
- Germicidal UV lamp
- Compatible systems
- Wallace & Tiernan WTL1000
- HS code
- 8539.49
Standards & Compliance
- Material
- Quartz glass envelope, amalgam
- Temperature Range
- Operating: 40°C bulb wall typical
- HS Code
- 8539.49
Cross References
- Article 4109-0909
- Evoqua Wallace & Tiernan WTL1000
- Siemens Wallace & Tiernan WTL1000
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 4109-0909?
- 4109-0909 can be ordered from cballast.com as a Wallace & Tiernan 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 Wallace & Tiernan product?
- The manufacturer part number is 4109-0909.
- What is the HS code for 4109-0909?
- The customs tariff (HS) code for 4109-0909 is 8539.49.
- Who manufactures 4109-0909?
- 4109-0909 is a Wallace & Tiernan product in the Electrochlorination & Water Treatment range.
- Is a datasheet available for 4109-0909?
- Yes — the 4109-0909 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 4109-0909?
- The minimum order quantity is 1.
- Is 4109-0909 available?
- Yes — 4109-0909 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).