Brand Name: American Standard
*Product Type: Pressure Balancing Unit
*Fits For: American Standard
*Function: Tub and Shower
*Maintains constant output temperature in response to changes in relative hot and cold supply pressure
*Diaphragm system engineered              to eliminate cross flow
*Avoids failure due to mineral deposits
*Ideal for use in hard water
*Easy to install
*Use with following American Standard tub/shower and shower            only controls:
*Ace No. 4398673 (9316501.002)
*Ace No. 4398681 (9316502.002)
*Ace No. 4398699 (9316502.295)
*Ace No. 4398517 (9046502.00)