Preheat - Model STER-L-RAY -Germicidal Ultraviolet Lamps

STER-L-RAY® Preheat Germicidal UV 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. Available in Low Ozone and Ozone Producing versions.