Sloan Royal 603-1.6 Concealed Manual Flushometer, 1.6 gpf, Rear Spud, Unfinished (Rough Brass), 6-3/4" LDIM, Trap Primer Outlet

The Sloan ROYAL 603-1.6-RB-6-3/4-LDIM-TP is a manual diaphragm-type flush valve for a water closet. It delivers 1.6 gallons per flush, with a rear spud connection at a concealed body. It features a semi-red brass body and 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: 6-3/4" L Dimension (LDIM); Trap Primer Outlet Tube (TP). Sloan model number: ROYAL 603-1.6-RB-6-3/4-LDIM-TP.

Features

• 1.6 gpf, Rough Brass Finish, Fixture Connection Rear Spud, Single Flush, 6.75" L Dimension, Trap Primer Outlet Tube
• 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, a rear spud connection.

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
• Inlet Size: 1"
• Outlet Size: 1-1/2"
• Body Material: Semi-Red Brass
• Diaphragm Material: PERMEX Synthetic Rubber Diaphragm
• Operation: Manual
• Country of Origin: USA
• MPN: ROYAL 603-1.6-RB-6-3/4-LDIM-TP
• Certifications: Buy American Act, IAPMO, ASSE-1037
• Fixture Served: Water Closet
• Body Style: Concealed
• Spud Connection: Rear Spud
• Rough-In (in): 16"
• L Dimension (in): 6-3/4"
• Volume per Flush (gal): 1.6
• Dual Flush: No
• Finish: Unfinished (Rough Brass)
• Min Operating Pressure (PSI): 15
• Max Operating Pressure (PSI): 80