[Compatibility] Thermostatic replacement compatible with various valves that use the 130156 metallic brass screw-in thermostatic element. This is a spare replacement part designed for use with select shower mixers and valves. [Better Operation] The thermostatic water valve features an internal one-way valve to help prevent cold and hot water from mixing. [WATERHILL Thermostatic Vertical Spa Trim] Fits models: TS516, TS516BN, TS516NL, TS516ORB, TS516WR, S3116, S3116BN, S3116NL, S3116ORB, S3116WR, TS3116, TS3116BN, TS3116NL, TS3116ORB, TS3116WR, S516, S516BN, S516NL, S516ORB, S516WR [SOLACE Exact Temp 3/4 Inch Static Vertical Spa] Fits models: S576 Chrome, S576BN Brushed Nickel, Thermostatic 3371, TS3710 series, TS3712 series, TS3716 series, S936 thermostatic, S956 volume control, TS576, TS576BN, S576, S576BN [Important] Please note: This brass screw-in version of the 130156 temperature control valve is the 1st generation, manufactured before September 3rd, 2009. It can be identified by the check stop nut and its metallic brass construction. This 130156 replacement thermostatic valve is not compatible with 2nd generation valves. The 2nd generation valves use a plastic polymer thermostatic element with a different design and size, so this metallic brass version will not fit if your valve has the plastic version. Note: Due to different production batches, there may be slight color variations, which do not affect functionality. Color: Brass Material: Brass Size: Approximately 7 cm in height Package Contents: 1 x Faucet thermostatic valve Only the above package content is included; other products are not included. Note: Light reflection and differences in display screens may cause the color in the image to vary slightly from the actual product. Measurement allowance is +/- 1-3 cm.