Sloan Royal 681-3.5 Concealed Manual Flushometer, 3.5 gpf, Top Spud, Unfinished (Rough Brass), 17-3/4" LDIM

The Sloan ROYAL 681-3.5-RB-17-3/4-LDIM is a manual diaphragm-type flush valve for a water closet. It delivers 3.5 gallons per flush, with a top spud connection at a concealed body. It features a semi-red brass body and a permex synthetic rubber diaphragm seat.

Sloan ROYAL 681 concealed manual water closet flushometer. PERMEX diaphragm, semi-red brass body, ASSE 1037 compliant. BAA compliant and Made in the USA.

Options on this configuration: 17-3/4" L Dimension (LDIM). Sloan model number: ROYAL 681-3.5-RB-17-3/4-LDIM.

Features

• 3.5 gpf, Rough Brass Finish, Fixture Connection Top Spud, Single Flush, 17.75" L Dimension
• 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, 3.5 gallons per flush, a top 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 681-3.5-RB-17-3/4-LDIM
• Certifications: Buy American Act, IAPMO, ASSE-1037
• Fixture Served: Water Closet
• Body Style: Concealed
• Spud Connection: Top Spud
• Rough-In (in): 26"
• L Dimension (in): 17-3/4"
• Volume per Flush (gal): 3.5
• Dual Flush: No
• Finish: Unfinished (Rough Brass)
• Min Operating Pressure (PSI): 15
• Max Operating Pressure (PSI): 80