Gecko in.ye-5 Control System is comparable to Gecko in.yt-7. Gecko in.ye-5 is able to control 3 appliances (ONLY if appliance 2 is 1-Speed), and comes equipped with (1) 115v/230v, 10A Always on Auxiliary circuit. Please refer to the Tech Book or Flyer in the documentation tab for more detailed information. The Gecko in.ye-5 Control System is a great alternative to the Gecko S-Class and SSPA Control Systems Features: Supports topside, heater, and 5 configurable relays Solid-state water flow detection: No pressure switch to adjust IPX5 rated waterproof design Preloaded configuration allows fast and easy installation in.touch WiFi module compatible 115v/230v Convertible Each output voltage can be configured to 115v or 230v Standard 2" heater in.k450 Topside Control 58-337-1605 Control Box Dimensions Height Width Depth 10-3/4" 19-5/8" 5" This Control System is WiFi Compatible, please see Tech Tips for information.