The Sloan ROYAL 139 ESS-2.4-RB-U-HW-24V is a sensor-operated diaphragm-type flush valve for a water closet. It delivers 2.4 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.
Precision flush control with CID technology. Water-efficient flushometer for commercial toilets, starting at 1.6 gpf. Durable brass construction resists dezincification.
Options on this configuration: 2"-10-3/4" L Dimension (LDIM); 1-1/4" Flush Connection (U); 24V Power (24V); Hardwired (HW). Sloan model number: ROYAL 139 ESS-2.4-RB-U-HW-24V.
Features
- 2.4 gpf, Rough Brass Finish, 1.25" Flush Connection, Fixture Connection Rear Spud, Single Flush, 2"-10.75" L Dimension, Electrical Override, Hardwired, Sensor-Operated, 24V
- Flush volumes start as low as 1.6 gpf/6.0 Lpf
- Flush accuracy is controlled by CID™ technology, also enhancing water efficiency
- Durability is facilitated with high copper, low zinc brass castings for dezincification resistance
- Non-hold-open handle prevents external water adjustment and saves water
- 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, 2.4 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.
- 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 139 ESS-2.4-RB-U-HW-24V
-
Certifications: ADA, Buy American Act, UL, ASSE-1037
-
Fixture Served: Water Closet
-
Body Style: Concealed
-
Spud Connection: Rear Spud
-
Rough-In (in): 37.5"
-
L Dimension (in): 2"-10-3/4"
-
Volume per Flush (gal): 2.4
-
Dual Flush: No
-
Finish: Unfinished (Rough Brass)
-
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"
