Temperature Controllers › 5R9-350 Keypad Image 1 of 2 Image 2 of 2 5R9-350 Keypad $26.50 Quantity: Add To Cart Added! The 5R9-350 Keypad has 3 buttons (Up, Down and Menu) to view and edit settings for model 5R9-350.Download DrawingPlease call for higher volumes. The 5R9-350 Keypad has 3 buttons (Up, Down and Menu) to view and edit settings for model 5R9-350.Download DrawingPlease call for higher volumes.