





Specifications
Description
The Sloan ECOS 8111-1.28-CP is a sensor-operated diaphragm-type flush valve for a water closet. It delivers 1.28 gallons per flush, with a top spud connection at an exposed body. It features a semi-red brass body.
Sloan ECOS 8111 exposed sensor flushometer with lobular IR sensing, dezincification-resistant brass, and fixed metering for water conservation. EPA WaterSense Listed.
Base configuration: no option suffixes on this model number (ECOS 8111-1.28-CP).
Features
- 1.28 gpf, Polished Chrome Finish, Fixture Connection Top Spud, Single Flush, Electrical Override, Battery
- Deploys an infrared sensor with multiple-focused, lobular sensing fields for high and low target detection
- User-friendly, three-second flush delay
- High copper, low zinc brass castings for dezincification resistance
- Fixed metering bypass and no external volume adjustment to ensure water conservation
- 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, a top spud connection.
- Is this exposed or concealed, and does it need a wall box?
- Exposed -- the working parts are visible on the wall surface.
- How is it powered, and what happens in a power outage?
- Battery-powered -- no wiring required.
- Is this ADA, WaterSense, or ASSE 1037 listed?
- Yes -- Sloan lists it as ADA, WaterSense and ASSE-1037.
Specifications
- Type: Flushometer
- Inlet Size: 1"
- Outlet Size: 1-1/2"
- Body Material: Semi-Red Brass
- Operation: Sensor
- MPN: ECOS 8111-1.28-CP
- Certifications: ADA, Buy American Act, BABA, CALGreen, IAPMO, WaterSense, ASSE-1037
- Fixture Served: Water Closet
- Body Style: Exposed
- Spud Connection: Top Spud
- Rough-In (in): 11.5"
- Volume per Flush (gal): 1.28
- Dual Flush: No
- Finish: Polished Chrome
- Min Operating Pressure (PSI): 15
- Max Operating Pressure (PSI): 80
- Power Source: DC (Battery)
- Sensor Type: Infrared
- Override Type: Electrical Override
- Sensing Range (in): 22"-42"
Dimensions
| Inlet Size | 1" | Outlet Size | 1-1/2" |
Details
| Series | ECOS 8111 | Device Type | Flushometer |
| Body Material | Semi-Red Brass | Operation | Sensor |
| Fixture Served | Water Closet | Body style | Exposed |
| Coating | Polished Chrome | Cycle volume gal | 1.28 gal |
| Dual flush | No | Operating pressure min psi | 15 PSI |
| Rough in in | 11.5" | Spud connection | Top Spud |
| Override type | Electrical Override | Power source | DC (Battery) |
| Sensing range in | 22"-42" | Sensor type | Infrared |
Certifications & Standards
| ADA | Buy American Act |
| BABA | CALGreen |
| IAPMO | WaterSense |
| ASSE-1037 | — |
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| Series | ECOS 8111
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| Spec Sheet | ||||||
| Install Sheet | ||||||
| Device Type | Flushometer
| Flushometer
| Flushometer
| Flushometer
| Flushometer
| Flushometer
|
| Inlet Size | 1"
| 1"
| 3/4"
| 3/4"
| 3/4"
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|
| Outlet Size | 1-1/2"
| 1-1/2"
| 3/4"
| 3/4"
| 3/4"
| 3/4"
|
| Body Material | Semi-Red Brass
| Semi-Red Brass
| Semi-Red Brass
| Semi-Red Brass
| Semi-Red Brass
| Semi-Red Brass
|
| Seat Material | — | — | — | High-Chloramine-Resistant PERMEX Diaphragm
| High-Chloramine-Resistant PERMEX Diaphragm
| High-Chloramine-Resistant PERMEX Diaphragm
|
| Operation | Sensor
| Sensor
| Sensor
| Sensor
| Sensor
| Sensor
|
| Certifications | ADA, Buy American Act, BABA, CALGreen, IAPMO, WaterSense, ASSE-1037
| ADA, Buy American Act, IAPMO, UL, ASSE-1037
| ADA, Buy American Act, BABA, IAPMO, WaterSense, C-UL, ASSE-1037
| ADA, Buy American Act, BABA, IAPMO, WaterSense, ASSE-1037
| ADA, Buy American Act, BABA, IAPMO, WaterSense, ASSE-1037
| ADA, Buy American Act, BABA, IAPMO, WaterSense, ASSE-1037
|
| Options | — | 1-1/2" Offset (OFST), W/
| Small Wall Box (SWB), True Mechanical Override (TMO), HYD
| — | — | — |
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What Our Customers Say
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They had what I needed to replace the stem on my 60 year old bathroom showers. Great service.
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Excellent service
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Excellent service and help from the staff who work at this place
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Great customer service part was already waiting for me at the counter!!!! it don’t get no better than that!!
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I recommend them to everyone, they have EVERYTHING, great customer service and always come through for our day to day needs.
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Excellent
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Excellent service and attention, everyone was very friendly. 5 stars for Mr. Julio.
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Julio was very helpful and knowledgeable
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Great customer services
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Got me flushing again
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Excellent service at the counter. Manuel and Ray are super knowledgeable and helpful. Thank you!
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Ray is handsome and helpful. A good man to work with for any plumbing needs.







