Sloan Royal 153 ESS Concealed Hardwired Sensor Water Closet Flushometer (3.5 GPF), 2"-14-3/4" LDIM, Unfinished (Rough Brass)

The Sloan ROYAL 153 ESS-3.5-RB-HW-24V is a sensor-operated 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.

Efficient flushometer with 1.28 gpf/4.8 Lpf flush volumes. ADA-compliant handle and CID technology enhance water savings. Durable brass construction.

Options on this configuration: 2"-14-3/4" L Dimension (LDIM); 24V Power (24V); Hardwired (HW). Sloan model number: ROYAL 153 ESS-3.5-RB-HW-24V.

Features

• 3.5 gpf, Rough Brass Finish, Fixture Connection Top Spud, Single Flush, 2"-14.75" L Dimension, Electrical Override, Hardwired, Sensor-Operated, 24V
• Flush volumes start as low as 1.28 gpf/4.8 Lpf
• Water conservation is aided by the ADA-compliant, non-hold-open handle, which prevents toilet from exceeding intended flush volume
• Flush accuracy is controlled by CID™ technology, also enhancing water efficiency
• Integrity of the product is maintained with the vandal-resistant stop cap
• Durability is facilitated with high copper, low zinc brass castings for dezincification resistance
• Adjustable tailpiece
• 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.

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 ADA and 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: Sensor
• MPN: ROYAL 153 ESS-3.5-RB-HW-24V
• Certifications: ADA, Buy American Act, IAPMO, UL, ASSE-1037
• Fixture Served: Water Closet
• Body Style: Concealed
• Spud Connection: Top Spud
• Rough-In (in): 14"
• L Dimension (in): 2"-14-3/4"
• Volume per Flush (gal): 3.5
• Dual Flush: No
• Finish: Unfinished (Rough Brass)
• Vandal Resistant: Yes
• Min Operating Pressure (PSI): 15
• Max Operating Pressure (PSI): 80
• Power Source: Hardwired AC
• Power Supply Detail: 24V
• Override Type: Electrical Override
• Sensing Range (in): 22"-42"