Pentair DDTC Board Assembly | MiniMax NT STD / NT TSI Heater | 472100 Lighting System This is the Gray color

This is the Gray color version — confirm the color of your existing lid before ordering

even coat of silicone-based lubricant — never petroleum jelly or WD-40 — to keep the O-ring pliable and ensure a leak-free seat

this cartridge delivers consistent water clarity while providing the dimensional accuracy needed for drop-in replacement across a wide range of OEM filter housings

Brand Equipment Line Model / Part Number Notes Hayward SharkVac Automatic Robotic Pool Cleaner (Open Line) W3RC9740CUB Position v1 #50 Hayward SharkVac Automatic Robotic Pool Cleaner with Caddy Cart (Open Line) W3RC9742CUBY Position v1 #50 Hayward TigerShark Robotic Pool Cleaner (Open Line) W3RC9950CUB Position v3 #20 Hayward TigerShark QC Robotic Pool Cleaner with Quick Clean Option (Open Line) W3RC9990CUB Position v3 #20 Compatibility is based on Hayward parts documentation and available OEM records

Pentair DDTC Board Assembly | MiniMax NT STD / NT TSI Heater | 472100 Lighting System This is the Gray colorThe Pentair 472100 is the OEM Direct Digital Temperature Control (DDTC) board assembly for the MiniMax NT STD and MiniMax NT TSI gas heater series, covering the 200, 250, 300, and 400 models. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper certification. The