Compatible with for Heat Pumps: 460928, 460929, 460930, 460931, 460932, 460933, 460934, 460935, 460936, 460937, 460938, 460958, 460959, 460960, 460961, 460962, 460963, 460964, 460965, 460967. for Thermaflo Titanium: 460912, 460913, 460914, 460915, 460922. for Thermaflo: 460812, 460813, 460814, 460815, 460822. Precise Temperature Adjustment: Set desired water temperature via the digital display for optimal comfort. Compatible with for UltraTemp/Thermalflo Titanium/Thermalflo Pool and Spa Heat Pumps and replaces models 473425, 473693. Dual Functionality: Versatile design allows heating of both pools and spas. Quick Start-up: Allows 6 minutes for efficient system initialization before use. Construction: Rugged black casing ensures long-lasting performance. Color:Black & White Material:ABS Package Contents: 1 x Auto Heat Control Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.