Raypak RP2100 Digital 185 - 405 Model Heaters (11-01-98 +)

USED ON RAYPAK RP2100 DIGITAL, THIS SERIES OF    
HEATER HAS BEEN MANUFACTURED 11-1-98 THRU CURRENT
DIFFERENT FROM SENSOR USED ON EARLIER RP2100     
VERSION. THE RP2100 DIGITAL SENSOR HAS 2 WIRES   
THE EARLIER VERSION HAS 3 WIRES                  
STAINLESS STEEL BULB, 3/8" DIAMETER X 3" LONG    
2 WIRES ABOUT 60" LONG                           
THESE END IN A WHITE CIRCUIT BOARD CONNECTOR WITH
2 FEMALE PIN HOLES