This heater needed a replacement control board – the green Raypak board which was originally installed was very different in looks from the replacement board, but indeed, it worked!
1 RAY-151-3722 010253F (BEFORE 11/2003) EA
P-80297618-1
Raypak 601588 PC BOARD CONTROLLER RP2100, 601586 PC BOARD CONTROLLER
for models R185A-R405A 3-WIRE-KIT for models built 1998-2003
This control is no longer available, you will receive a Raypak Factory Replacement Kit
