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- DELTA® Flush Valve, Series: 81TBT/81THW, Water Closet Fixture, Hardwired Power Source, 25 gpm Flush, 1 in FNPT/C Inlet, 25 psi Pressure, Electronic Handle, Matte Black
- Features H2Optics® Technology for reliable, hands-free operation
- Manual mechanical override button allows manual flushing if power is temporarily unavailable
- 3/4" top spud, 13" high and 3/4" copper sweat inlet
- Factory set at 1.1 gallons (4.2 litres) @ 60 psi (414 kPa) - Not field adjustable
- Transformer to be ordered separately for hardwire models
- 1" inlet
- For 1-1/2" spud water closet fixture
- Set-up sensor range adjustment indicator lights
- 24 VAC input, 6 s arming delay
- Electronic operated non-hold-open metal manual override button with 5 sec lockout
- Quiet action, TECK® exposed diaphragm flush valve
- Chloramine resistant diaphragm
- Brass diaphragm retainer
- Renewable seat
- External water conserving
- Factory set to 4.2 L (1.1 gal) not field adjustable - recommended for new construction only
- Finish / ColorMatte BlackFlush Rate25 gpmInlet Size1 in FNPT/CPower SourceHardwiredPressure Rating25 psiFixture TypeWater ClosetHandle TypeElectronicManufacturerDelta Faucet CompanyManufacturer #81T201HWA-42-MMO-BLSeries81TBT / 81THW