Sloan Regal 603 ES-1.28 Concealed Solenoid Flushometer, 1.28 gpf

The Sloan Regal 603-1.28 is a solenoid-operated diaphragm-type flush valve for a water closet. It delivers 1.28 gallons per flush, with a concealed body.

Options on this configuration: XL Sweat Solder Adapter Kit (XL); 24V Power (24V); W/V500AA; 6; IN. Sloan model number: Regal 603-1.28. Sloan's own price-list description: REGAL 603-1.28 XL ES 24V W/V500AA 6 IN.

Features

• Solenoid activated, hardwired closet flushometer
• Diaphragm type flushometer
• Durability is facilitated with high copper, low zinc brass castings for dezincification resistance
• Adjustable tailpiece
• 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, 1.28 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.

How is it powered, and what happens in a power outage?

Hardwired -- no battery to replace, but an electrician must run power to it.

Is this ADA, WaterSense, or ASSE 1037 listed?

Yes -- Sloan lists it as ASSE-1037.

Specifications

• Type: Flushometer
• Operation: Solenoid
• MPN: Regal 603-1.28
• Certifications: ASSE-1037
• Fixture Served: Water Closet
• Body Style: Concealed
• Volume per Flush (gal): 1.28
• Power Source: Hardwired AC
• Power Supply Detail: 24V