Atlantic UV 05-0468 TUV 11W/4P SE - 11W - 4-Pin - 244mm ultraviolet-atlantic-ultraviolet-m90-esi8737924 This is also equivalent to

This is also equivalent to the Evoqua Water Technologies W2T533817 combo kit

the lamp is not adversely affected by frequent starting and the life is considerably in excess of other lamp types

It has a part number of 05-0534

It has a part number of 15-0257

It has a part number of 05-0986

Atlantic UV 05-0468 TUV 11W/4P SE - 11W - 4-Pin - 244mm ultraviolet-atlantic-ultraviolet-m90-esi8737924 This is also equivalent toThis product is an Atlantic Ultraviolet Hot Cathode Ultraviolet Lamp. It has a part number of 05 0468. Preheat germicidal lamps are operated by a preheat start circuit that employs a relatively compact and economical ballast. The preheat circuit requires four electrical connections per lamp and a slight to moderate delay is needed to start the lamp. Some modern electronic ballasts are capable of instant starting a Preheat lamp.