Philips TUV 36T5 UV Lamp 33 Inch 40W – Genuine Germicidal UV-C Bulb for RO Water Systems
The Philips TUV 36T5 UV Lamp (33 Inch, 40W) is a genuine Philips Sterilamp® germicidal UV-C lamp — the internationally recognized original-equipment lamp used across professional water and air disinfection systems worldwide. For commercial RO plants and water treatment operators who specifically want a verified, brand-name lamp rather than a generic equivalent, this is the authentic Philips part, not an aftermarket substitute.
Genuine Philips vs. a Generic 33" Lamp
Axtron also stocks a Flowtech-brand 33"/40W UV lamp at a lower price point, and it's a fair question why this Philips version costs roughly five times as much for what looks like the same physical size and wattage. The answer comes down to verified manufacturing and lamp technology:
- Confirmed manufacturer — Made in Poland by Philips (Signify), with full documentation, date-coded manufacturing, and CE/UKCA/EAC certification, versus a generic OEM part.
- High-Efficiency (HE) UV output — Philips' TUV T5 HE lamps are engineered to maintain constant UV-C output across their entire rated life, rather than degrading significantly as the lamp ages — a meaningful factor for commercial systems that can't afford inconsistent disinfection performance.
- Documented 9,000-hour rated life — Independently confirmed across multiple official Philips/Signify technical sheets, not just a marketing claim.
- Verified UV-C radiation output — Rated at approximately 14.8–15W of actual germicidal UV-C output (out of the 40W total electrical draw), a specification generic lamps rarely publish or verify.
For customers where lamp authenticity, certification, and consistent long-term output matter more than upfront cost — larger commercial installations, facilities with compliance requirements, or operators who've had reliability issues with generic lamps — this is the lamp built for that standard.
Key Features of Philips TUV 36T5 UV Lamp 33 Inch 40W
- Genuine Philips TUV 36T5 4P-SE — Confirmed via label markings and cross-referenced against official Philips/Signify product data.
- 40W, 843mm (33") — Standard sizing for heavy commercial UV sterilizer housings.
- 253.7nm UV-C Wavelength — The standard germicidal wavelength for destroying bacteria, viruses, and other microorganisms in water.
- 9,000-Hour Rated Life — With consistent UV output maintained across the lamp's full lifespan.
- 4-Pin Single-Ended Base (G10q) — Standard connector for large-format UV sterilizer chambers.
- Made in Poland — CE, UKCA, and EAC certified for multi-market compliance.
A Note on Handling & Disposal
Like all germicidal UV-C lamps, this bulb contains mercury (approximately 3.0mg, per Philips' published specification) and carries a UV-C radiation warning — avoid direct eye or skin exposure while powered, and dispose of the old lamp responsibly rather than in regular household trash, per the WEEE symbol on the lamp.
Applications
- Heavy Commercial & Industrial RO Plants — Where verified lamp authenticity and consistent long-term UV output are priorities.
- Water Bottling & Filling Operations — Facilities requiring documented, certified disinfection equipment.
- HVAC & Air Purification Systems — Alongside water treatment use, this lamp format is also used in air disinfection applications.
- Facilities with Compliance Requirements — Where a documented, traceable, genuine-brand component matters for audits or certifications.
Why Axtron?
Axtron Pakistan has supplied water filtration and RO plant components since 2005, with offices in Lahore, Multan, and Bahawalpur and a network of 500+ retailers nationwide. We stock both genuine Philips and value-tier Flowtech UV lamps in the same 33"/40W format, so commercial customers can choose based on their own budget and reliability requirements — with the difference clearly explained rather than hidden.
Conclusion
If your commercial RO system needs a verified, brand-name UV-C lamp with documented performance and consistent output over its full life, the Philips TUV 36T5 UV Lamp 33 Inch (40W) is the genuine original-equipment choice.
8. Full Technical Specification Chart
| Parameter | Detail |
|---|---|
| Brand | Philips (Signify) |
| Model | TUV 36T5 4P-SE |
| Type | Genuine germicidal UV-C lamp (Sterilamp® line) |
| Power | 40W |
| Length | 843mm (≈33 inches) |
| Wavelength | 253.7nm (UV-C) |
| Base/Connector | 4-Pin Single-Ended (G10q) |
| Mercury Content | ≈3.0mg (Hg) |
| Rated UV-C Output | ≈14.8–15W |
| Rated Lifespan | 9,000 hours, with constant UV output across full life (HE technology) |
| Made in | Poland |
| Certifications | CE, UKCA, EAC |
| Manufacture Date (batch) | 02-2025 |
| Price | ₨15,000 |
9. Features → Benefits Chart
| Feature | Benefit to the Customer |
|---|---|
| Genuine Philips manufacturing | Verified authenticity, not a generic substitute |
| High-Efficiency (HE) technology | Consistent disinfection performance across the full 9,000-hour life, not just at start-up |
| Documented UV-C output | Verifiable specification for compliance-conscious operators |
| Made in Poland, multi-market certified | CE/UKCA/EAC certification for confidence in build quality |
| Same 33"/40W format as Flowtech option | Drop-in fit for existing 33" housings, upgrade path without reconfiguring the system |
10. Genuine Philips vs. Flowtech — Quick Comparison
| Philips TUV 36T5 (this product) | Flowtech UV Lamp 33 Inch | |
|---|---|---|
| Brand | Philips (Signify), genuine | Flowtech (generic/OEM) |
| Power | 40W | 40W |
| Length | 843mm (33") | 843mm (33") |
| Made in | Poland | Not specified |
| Rated life | 9,000 hours, constant UV output | ≈8,000–9,000 hours (standard estimate) |
| Certifications | CE, UKCA, EAC | CE |
| Best for | Compliance-focused, high-reliability commercial use | Budget-conscious replacement |
| Price | ₨15,000 | ₨3,000 |
11. Delivery & Service Coverage
| City | Coverage |
|---|---|
| Multan | Axtron office (Near Lakar Mandi Chowk, Railway Road) |
| Lahore | Axtron office (91-A Feroz Pur Road) |
| Bahawalpur | Axtron office (Opp. Sadiq Public School, Ahmad Pur East Road) |
| Karachi, Islamabad, Rawalpindi, Faisalabad | Nationwide delivery (no physical branch) |
12. FAQ Section (add via Rank Math's FAQ block for FAQPage schema)
Q1: Is this a genuine Philips lamp?
A1: Yes — the label confirms Philips TUV 36T5 4P-SE, Made in Poland, with CE/UKCA/EAC certification and a February 2025 manufacture date.
Q2: Why does this cost so much more than your Flowtech 33 inch lamp?
A2: Both fit the same 33"/40W housing format, but this is a verified genuine Philips lamp with documented 9,000-hour life and Philips' High-Efficiency technology for consistent UV output across the lamp's full lifespan — versus a generic equivalent at a lower price point.
Q3: What base/connector does it use?
A3: A 4-pin single-ended base (G10q), the standard connector for large-format UV sterilizer housings.
Q4: What's the UV-C wavelength and output?
A4: 253.7nm wavelength, with approximately 14.8–15W of actual UV-C germicidal output.
Q5: How long does this lamp last?
A5: Rated for 9,000 hours, with Philips' HE technology maintaining consistent UV output throughout that life rather than degrading significantly with use.
Q6: Do you deliver this across Pakistan?
A6: Yes — Axtron delivers nationwide, including Karachi, Lahore, Islamabad, Rawalpindi, Faisalabad, and Multan, with physical offices in Lahore, Multan, and Bahawalpur.


