Maintaining your DEL AOP 25 and 40 is important for your pool water, and for the lifespan of the system. Every 18 months (1.5 years) replace the UV Germicidal Lamp(s).
UV Lamp Part Number: 9-1626-01
The Kit Part Number for this Lamp is R0991800
AOP 25 and AOP 40 both utilize (2) 9-1626-01 UV Lamps
Bulb length is 483mm long (19in) from end to end of the white caps
OD is 18.5mm (.72in)
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