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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
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Description
Instant-Flow SR-Low Flow 0.35 GPM Point of Use Electric Tankless Water Heater, 20 Amp, 277-Volt, 5540-WattThe Instant Flow SR model is a great basic instant water heater for a wide variety of uses. It features a small size, low installation cost, and delivers unlimited hot water. It also meets the ADA requirements and is 99% Energy Efficient. This instant water heater is perfect for lavatories, sinks, showers, and other special applications. California residents see Prop 65 WARNINGS Under the counter, point of use applications Compact design, easy
The Instant-Flow SR model is a great basic instant water heater for a wide variety of uses. It features a small size, low installation cost, and delivers unlimited hot water. It also meets the ADA requirements and is 99% Energy Efficient. This instant water heater is perfect for lavatories, sinks, showers, and other special applications.- California residents
- Under the counter, point of use applications
- Compact design, easy installation, unlimited hot water
- Environmentally friendly, saves water and energy - 99% energy efficient
- Vandal resistant rugged cast aluminum housing, element assembly is fabricated from Celcon plastic, heating coils are chrome
- Meets ADA requirements and complies with standards for: water conserving product, IAPMO, UL, UPC
- Applications: commercial, industrial, residential, public lavatories, kitchen sink, bar sink
- Includes: compression fittings and faucet flow controls
- Certified for use in portable water applications
- No pressure and temperature relief valve needed (unless required by code)
- Meets all CALGreen low flow requirements
- Unit must be hard wired
- Model number: SR-20L/277 HTR-I
- Single phase
Features
| Item Weight | 4.5 |
| Minimum Temperature (F) | 33 |
| Maximum Temperature (F) | 160 |
| Heat Exchanger Warranty | 1 Year |
| Application Type | Point of Use |
| Efficiency Level | Super High |
| Pack Size | 1 |
| Finish Family | White |
| Returnable | 180-Day |
| Product Weight (lb.) | 4.5 |
| Commercial/Residential | Commercial,Residential |
| Wattage (watts) | 5540 |
| Required Volt Connection | 277 volt |
| Minimum Activation Rate (gpm) | 0.35 |
| Fuel Type | Electric |
| Indoor/Outdoor | Indoor |
| Flow Rate @ 45 F Rise (gallons/min) | .84 |
| Wattage (watts)2 | 5540 |
| Amperage (amps) | 20 |
| Flow Rate @ 55 F Rise (gallons/min) | .69 |
| Flow Rate @ 35 F Rise (gallons/min) | 1.08 gal (US)/min |
| Water Heater Features | No Additional Features |
| Uniform Energy Factor | .99 |
| Flow Rate @ 65 F Rise (gallons/min) | .58 |
| Product Height (in.) | 6.25 |
| Product Width (in.) | 9.625 |
| Product Depth (in.) | 2.75 |
| Water Connection Size (in.) | 0.375 comp. x 0.25 MP |
| Part Warranty | No Warranty |
| Labor Warranty | No Warranty |
| Certifications and Listings | ADA Compliant,CSA Certified,ETL Classified,IAPMO Certified,UL Listed |
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
4.1 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Great dog balls at a great price
Size: Medium
The balls are a favorite for my dog. I could have done without the hole through the middle because I don't do treats in balls anyway. My dog loves balls for their own merit. I needed replacement balls for my Nerf Dog Ball launcher. It seems the originals have disappeared from the market. I took a chance because the price is right and this Chuck-it ball works very well so we're liking this ball a lot. So far my Dachsund, who can destroy a tennis ball (the kind they are selling as Nerf Dog replacements) in 3 minutes has not done any damage to this one so that's a win. I recommend this as a much better ball than the fuzzy tennis balls. I like the colors too since many dog toys are green (which gets lost in the lawn, etc.) or red (even though dogs have red/green color blindness. Blue and orange are good and pretty easy to find. I liked these well enough that this set was my second purchase so I will have spares in case the others are lost.
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Reviewed in the United States on May 21, 2023
★★★★★ 5
My Baby loves his new baby!
Size: Medium, Size: Medium
Finally! A ball my 107 lb. pitty/pointer mix can’t destroy. He has torn up every single “indestructible” toy in a day or so until now. He peels fabric and fur off non-rubber toys. He is a 4-legged shredder. I’ve added pictures of him for a size reference of my dog versus this product. I know I had wanted that when shopping for this item.
This ball is now his beloved “baby.” He goes absolutely insane looking for it, chewing it, chasing it, and even sleeping with it. He won’t rest unless he knows exactly where it is. It is his only toy, and he is good with that. After getting this home, I tried giving him other choices, but he won’t touch them.
I was worried that he would rip it apart by putting his teeth in the holes, but so far, not a scratch. It is soft enough to collapse just enough to keep it from cracking when his jaws crush it but not so soft that he can rip it to sheds. The holes are large enough to prevent a suction or vacuum effect on his tongue or mouth. For his size jaws, it is a perfect fit. Other dogs might have problems with suction or be able to get their teeth in those holes and rip it apart. Who knows?
The older version of the Chuckit squeaky ball was his favorite for the year and a half he had it, but the way they make them now, he peels off the orange triangle in hours flat, the squeaker falls out (choking hazard), and then he rips it apart.
I’m going to stock up on these. I can’t imagine how crazy he will be if they ever stop production or change the materials.
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Reviewed in the United States on May 9, 2019
★★★★★ 5
Perfect for Blind Dogs, Fun and Durable
Size: 2-pack, Style: Duo
My blind dog loves these Chuckit! sniff balls. She can easily sniff them out and plays fetch with them for 20 minutes a day, even running up and down the stairs.
The balls are durable, bounce well, and the bacon and peanut butter scent keeps her engaged. I do wish Chuckit! would bring back the version with a tone so we could play fetch outside more easily.
Overall, a fantastic toy for dogs that rely on scent and a fun way to keep them active.
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Reviewed in the United States on February 14, 2026
★★★★★ 5
My Golden Loves
Size: 2-pack, Style: Duo
My 8 month old Golden Retriever loves these. It is also one of the few products she cannot destroy. They smell as described and she loves to chew them and play fetch when. She can chew these easily without destroying them. Overall good value for the money for my Golden
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Reviewed in the United States on January 2, 2026
★★★★★ 5
My dogs are obsessed with this ball
Size: 2-pack, Style: Duo
Great quality! I have 2 boxers that love it and the ball is still intact
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Reviewed in the United States on January 31, 2026