Check the listing for details. Intermatic Pool Spa Timer 120v 24hr PF RC PB913N66. Condition: New. Listed at 58.99 USD. Intermatic Spa and Pool Timers PB913N66 24 HOUR 120 VOLT The PB913N66 PB913UB66is used on a number of pool and spa controls. This is a 24 hour timer which may be used for multiple timing configurations. There are 48 individual trippers on the front dial. Each tripper controls a 30 minute section of the day. The on time is controlled by pulling each 30 minute tripper outward from the face with a minimum of 1 hour "On time" per cycle. There is also a manual override switch on the front face. Intermatic PB913N66 PB913UB66 120V 24 Hour Panel Mount Timer for PF and RC Series Controls. If you have any questions or concerns, or do not see an item that you would like, please do not hesitate to contact us through ebay. With over 30 years experience in the Florida pool industry, we are experts when it comes to pool parts advice and customer service. Thank you for choosing Positive Pool Wholesale Supply. Sellebrity Analytics