UV Lamps 840mm 40W compatible with Puretec Radfire R2700 and R5000 UV Sterilisers

Replacement UV Lamp 840mm 40W — Compatible with RL4 for use in Puretec Radfire R2700 & R5000 Quality replacement UV lamp for the Puretec Radfire series. Annual replacement is essential — UV output degrades over time even when the lamp still appears to glow. Compatibility Fits UV System Lamps Required Notes Puretec Radfire R2700 1 Replaces OEM RL4 lamp Puretec Radfire R5000 2 Replaces OEM RL4 lamps (Qty 2) Lamp Specifications Specification Detail Lamp Length 840mm Wattage 40W Pin Connection Type T5 — 4 Pin Even Part Codes L-843-40-4E / L-843-40W-4E / GPH840 / GPH840N/S / ESS-A39T5UV / RL4 Why Replace Annually? UV lamps should be replaced every 12 months regardless of appearance. After one year of operation, UV output drops below the level required to effectively neutralise bacteria, viruses, and protozoa — even if the lamp is still glowing. How to Replace Your UV Lamp Turn off the UV system and disconnect power Turn off the water supply Allow the lamp to cool for at least 5 minutes Carefully remove the old lamp — avoid touching the glass with bare hands Insert the new lamp and ensure pins are fully seated Reassemble, restore water supply, and power on Reset your system’s lamp timer if applicable Matching Glass Sleeve Also need a replacement quartz glass sleeve? See our replacement glass sleeves collection for compatible options. Local NZ Stock | Fast Shipping | NZ Customer Support