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Description
H2Optics Exposed Urinal Flush Valve - Chrome 81T231BTA Delta Commercial> Battery flush valve for 3 4" top spud flushing URINAL with H2Optics SENSOR ON VALVE maximum 13" height (c l of inlet to top of urinal) Dimensions: > Origin: > Finish: > External water conserving adjustment: Factory Set to 1. 9L(0. 50 Gal.) FIELD ADJUSTABLE from 0. 47 to 3. 78 Litre Flush (1 8 to 1. 0 GAL.) Chloramine resistant diaphragm Electronic operated non hold open metal override button with 5 second lockout Scratch resistant replaceable lens
Battery flush valve for 3/4" top spud flushing URINAL with H2Optics® SENSOR ON VALVE - maximum 13" height (c/l of inlet to top of urinal)
- External water conserving adjustment: Factory Set to 1.9L(0.50 Gal.) - FIELD ADJUSTABLE from 0.47 to 3.78 Litre Flush (1/8 to 1.0 GAL.)
- Chloramine resistant diaphragm
- Electronic operated non-hold-open metal override button with 5 second lockout
- Scratch resistant replaceable lens window
- Polished chrome plated body.
- Adjustable 121mm (4-3/4") plus or minus 11mm (7/16") inlet/valve outlet centers
- ADA compliant, automatic operation battery powered infrared sensor
- Four (4) size AA alkaline batteries factory installed with valve in sleep mode for easy installation
- Infrared sensor range adjustment of 203mm-610mm (8"-24"), factory set at 16" (±2")
- Quiet action, TECK® exposed diaphragm flush valve
- Right or left-hand supply installation
- 6 VDC input, 6 second arming delay
- Brass diaphragm retainer
- Renewable seat
- Polished chrome plated vandal resistant metal cover with top mounted sensor operated H2Optics® electronics
- Hinged battery housing for easy maintenance
- Vacuum breaker
- Set-up sensor range adjustment indicator lights
- Optional 24 hour automatic flush factory set to off
- Low battery flashing light (5000 flushes remaining) with battery strength indicator
- 3/4" copper sweat inlet
- Adjustable flow
- Battery operated, batteries included
- Electronic exposed flush valve
- Hands-free operation
- Urinal, 13" height
- For 3/4" top spud urinal fixture
- Body mounted sensor
- Battery strength indicator
- EZ Adjust system allows flush volume adjustments with a simple turn of a screw.
- Polished chrome plated vandal resistant metal cover
- Infrared sensor range adjustment of 8-24"
- Battery flush valve for 3/4" top spud flushing urinal with H2Optics sensor on valve - maximum 13" height
- Manufacturer supplied links
- Manufacturer Web Site
- Parts Breakdown
- Installation Manual
- Specification Sheet
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Replacement parts
Size: 19 Pcs for eufy L60/ L50 Series
Good replacement parts pack. This will last you a while.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
It si the right fit
Size: 19 Pcs for eufy L60/ L50 Series
It si working perfectly fine it fit like a glove
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Excellent fit and value - recommended buy
Size: 3+12+12+2+1 pack
I rarely write reviews, but I'm so impressed by the fit and quality of this set that I made an exception. I'd been running my eufy 11S without brushes, and have been cleaning and reusing the filters for a while now and finally decided to buy replacements. The kit came packed well with everything in order and no damage. I replaced all of the worn parts and installed the brushes and did a test run - everything worked great. I expected some fitment issues because I've seen that with other kits, but I had no issues. The fact that you get multiples of almost everything is icing on the cake.
Oh, and I wasn't paid or given anything in exchange for this review, as much as that's worth now, haha.
I can recommend getting this kit for your robot vacuum, if it's the right set for your model.
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Reviewed in the United States on February 6, 2025
★★★★★ 5
Good option for an aftermarket replacement solution.
Size: 3+12+12+2+1 pack
I've been very happy with this product. I think it is a good price point for what is included. Everything was a directly compatible and everything fit as you would expect. The filter quality is good and since there are plenty in the kit I find I change the filters more often which is probably a good thing. I recommed.
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Reviewed in the United States on October 3, 2025
★★★★★ 5
Eufy Brushes wear out with daily use
Size: 4 Pack
These brushes help the Eufy continue to run efficiently. I have 2 dogs and run 2 Eufies daily. It is surprising how much sand, dust, gravel and hair gets vacuumed. My furniture isn't as dusty and my floor doesn't need mopping as often.
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Reviewed in the United States on January 7, 2026