[Compatibility] Thermostatic replacement compatible with a number of different for valves which use the 130156 metallic brass, screw-in thermostatic . This is a spare replacement which is used on other of shower mixers and valves. [Better Operation] The thermostatic water valve is equipped with a one-way valve inside to prevent cold and hot water from flowing together. [WATERHILL Thermostatic Vertical Spa Trim] Fit for Models: TS516, TS516BN, TS516NL, TS516ORB, TS516WR, S3116, S3116BN, S3116NL, S3116ORB, S3116WR, TS3116, TS3116BN, TS3116NL, TS3116ORB, TS3116WR, S516, S516BN, S516NL, S516ORB, S516WR [SOLACE Exact Temp 3/4Inch Static Vertical Spa] Fit for 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 of valves which were manufactured before September 3rd, 2009. This valve can be identified by the check stop nut (and the fact that the is metallic brass). This 130156 replacement thermostatic not work in 2nd generation for valves. The 2nd generation valves use a plastic polymer thermostatic which is a completely different design and size, therefore this metallic brass version not fit if you have the plastic version of the 130156. Note:Due to different production batches, there be differences in color, which not affect the use. Colour:Brass Color Material:brass Size:About 7cm high Package Contents: 2 x Faucet thermostatic valve 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.