RETROFITmanufacturer documented

The short answer

WNRX is the manufacturer-documented replacement for Spa Electrics WN850.

Existing light
WN850
Replacement
Spa Electrics WNRX
Pool construction
concrete, fibreglass
Supply noted
12vac

Before you buy: Check the existing WN850 against Spa Electrics' replacement guide and use the supplied direct-connect arrangement.

Important notes

  • WNRX operates on 12 V AC / 12 W.
  • Third-party controller compatibility is for the MULTIPLUS version; confirm the selected variant.

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Why this option is listed

The sources below name the old family and replacement, or document the retrofit setup. Check the details before you buy, especially your pool type, voltage and controller setup.