Electrolux Hot and Cold 800GPD RO System Replacement Filter, 24 Months
Compatible replacement filter for continued system performance.
$249.99
Product video coming soon.
PureOne Hot 800
800 GPD PureOne Hot Smart Undersink RO System, Instant Hot
$999.99
$1,199.99
$200 off
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Replacement Filter
One all-in-one replacement cartridge supports continued contaminant reduction and hot/cold system performance.
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Free standard shipping is available on eligible orders.
30-Day Price Protection
Contact support within 30 days if the eligible price changes.
30-Day Worry-Free Returns
Return eligible products within 30 days in accordance with our return policy.
1-Year Warranty
Product warranty coverage is available for one year after purchase.
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PUREONE HOT 800
Purified cold water and instant hot RO water, from one faucet.
One compact under-sink system for purified cold water and instant hot RO water for drinks, cooking and everyday refills.
- Hot and cold RO from one faucet Purified water for drinks, cooking and daily prep.
- Six temperatures for your daily routine Choose a setting for tea, coffee, oatmeal and hot water.
- 800 GPD direct flow, on demand Rated at 0.56 GPM.
- One all-in-one filter Up to 24 months of stated filter life.
Filtration
Purified water, with one filter to keep track of.
One compact filter, working beneath the surface.
The compact system brings purification and hot-water performance together under the sink.
Smart Control
Set the water for what you're making.
Smart Control
Six temperatures for the way you use water.
Choose a preset temperature level for drinks, cooking and everyday preparation directly from the faucet.
Smart Control
A more consistent pour, every time.
Preset dispensing modes help make refills and recipes more consistent, one pour at a time.
Installation
One compact system, made for under your sink.
Specs & FAQs
What to know before it goes under your sink.
Quick reference specifications and answers for this product.
Water outputRO cold water and instant hot RO water
Temperature control6 preset levels
Capacity800 GPD / 0.56 GPM
Filter lifeUp to 24 months
Smart featuresWiFi app control and auto flush
SafetyChild lock and over-heating protection
Drain ratio3:1 pure-to-drain
System typeAll-in-one tankless RO system
Does PureOne Hot provide both hot and cold purified water?
Yes. It delivers RO cold water and instant hot RO water from one compact all-in-one system.
How many temperature settings are available?
Six preset temperature levels are available for everyday drinks and cooking.
Does the system need electricity?
Yes. Electricity is required for instant hot water and smart functions.
How long does the filter last?
The filter is designed to last up to 24 months, with real-time status tracking available in the app.
How do I know when the filter needs attention?
The WiFi app lets you check filter life, water quality and usage data.
Is it safer for homes with children?
The system includes child lock protection plus over-heating and dry-heating prevention features.
One system for more of the kitchen
More than cold RO water.
| What matters | PureOne Hot 800 | Traditional tank RO |
|---|---|---|
| Water output | 800 GPD cold water plus instant hot RO | Cold RO from a separate storage tank |
| Cabinet footprint | One all-in-one tankless system | System plus a separate storage tank |
| Temperature control | Six preset hot-water levels | Requires a separate heating appliance |
| System visibility | App, filter and temperature controls | Usually checked manually |
| Drain efficiency | 3:1 pure-to-drain ratio | Varies by design and water conditions |
Compare
Undersink RO
Compare the current water purifier range by capacity, filtration and daily-use features.
| CompareUndersink RO |  1200 GPD$1,299.99 |  1000 GPD Alkaline$1,099.99 |  PureOne Hot 800$999.99 |  600 GPD Eco$699.99 |
|---|---|---|---|---|
| Flow rate | 1200 GPD / 0.85 GPM | 1000 GPD / 0.69 GPM | 800 GPD / 0.56 GPM | 600 GPD |
| Tankless design | Yes | Yes | Yes | Yes |
| Filtration stages | 12-stage composite | 10-stage RO | 7-in-1 | 9-stage |
| Alkaline mineralization | No | Yes, pH 7.5+ finish | No | No |
| Water output | RO direct flow | RO direct flow | RO cold + instant hot | RO direct flow |
| Pure-to-drain ratio | 3:1 | 3:1 | 3:1 | 3:1 |
| App control | Yes | Yes | Yes | No |
| Filter lifespan | Up to 24 months | RO up to 36 months / PCF 12 months | Up to 24 months | RO up to 24 months / PCF 12 months |
| Faucet / display | TDS and filter status | App TDS and filter status | Hot-water controls and app | Smart monitoring LED faucet |
| Dimensions | 17.77 x 7.12 x 10.2 in | 16 x 5.2 x 13.7 in | 17.7 x 6.7 x 17.2 in | 15.6 x 5.2 x 13.3 in |
| Hot water | No | No | Yes | No |
| Installation | Under sink | Under sink | Under sink | Under sink |
| Electricity required | Yes | Yes | Yes | Yes |
| Warranty | - | - | - | - |