Sloan Royal 603-1.6 Concealed Manual Flushometer, 1.6 gpf, 7-3/4" LDIM, with V500AA 7-1/2

The Sloan Royal 603-1.6 is a manual diaphragm-type flush valve for a water closet. It delivers 1.6 gallons per flush, with a concealed body. It features a permex synthetic rubber diaphragm seat.

Sloan ROYAL 603 concealed manual flushometer built for rough environments. PERMEX diaphragm, semi-red brass body, ASSE 1037 compliant.

Options on this configuration: 7-3/4" L Dimension (LDIM); W/V500AA; 7-1/2. Sloan model number: Royal 603-1.6. Sloan's own price-list description: ROYAL 603-1.6 7 3/4 LDIM W/V500AA 7-1/2.

Features

• Royal®, Regal® and Sloan® Prison Flushometers feature all the performance benefits of standard concealed, diaphragm model Flushometers with added durability to withstand rough environments
• PERMEX® Synthetic Rubber Diaphragm with Dual Filtered Fixed Bypass
• Valve body, Cover, Tailpiece and Control Stop shall be in compliance with ASTM Alloy Classification for Semi-Red Brass
• Valve shall be in compliance to the applicable sections of ASSE 1037

Common Questions

What fixture and flush volume is this valve for?

Per Sloan's own spec, it serves a water closet, 1.6 gallons per flush.

Is this exposed or concealed, and does it need a wall box?

Concealed -- the body sits behind the wall, with only the cover or trim visible.

Is this ADA, WaterSense, or ASSE 1037 listed?

Yes -- Sloan lists it as ASSE-1037.

Specifications

• Type: Flushometer
• Diaphragm Material: PERMEX Synthetic Rubber Diaphragm
• Operation: Manual
• MPN: Royal 603-1.6
• Certifications: ASSE-1037
• Fixture Served: Water Closet
• Body Style: Concealed
• L Dimension (in): 7-3/4"
• Volume per Flush (gal): 1.6