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Description
Bosch Greentherm T9800 SE 199,000 BTU Propane Tankless Water HeaterSummary Bosch Greentherm T9800 provides you with endless, on demand hot water for your home or business. This is the largest liquid propane tankless hot water heater Bosch has to offer. Created with Bosch's quality engineering and manufacturing, this unit is designed to run for up to 15 years if properly maintained. Typically, all hot water heaters we offer can be on the way to you within 1 2 business days. Why Choose Bosch? Bosch Greentherm is unique
Summary
Bosch Greentherm T9800 provides you with endless, on-demand hot water for your home or business. This is the largest liquid propane tankless hot water heater Bosch has to offer. Created with Bosch's quality engineering and manufacturing, this unit is designed to run for up to 15 years if properly maintained. Typically, all hot water heaters we offer can be on the way to you within 1-2 business days.
Why Choose Bosch?
Bosch Greentherm is unique because all plumbing connections are made from the top of the unit. This saves you on labor and material cost since it takes less time and materials to transition from a tanked water heater to new tankless water heater. A quality system plus an easy install is what keeps Bosch at the top of rankings.
General Information
- Unit Type: Water Heater
- Product Line: T9800
- Unit Size: 199,000 BTU/H
- Energy Source: Liquid Propane
- Wifi Enabled: No (Add Wifi Kit)
- Recirculation Pump Included: No (Add Recirculation Pump)
- Isolation Valves Included: No (Add Isolation Valves)
- Propane Conversion Kit: No (Add Propane Conversion Kit)
Product Details
- Space-saving, state-of-the-art tankless design
- Ultra-efficient with UEF ratings up to 0.96
- High-resolution color LCD interface
- Wi-Fi accessory & App increases functionality
- Ability to control external pumps
- Industry-leading 22:1 turn down ratio
- 60ft venting using 2" pipe
- Ultra-Low NOx Certified
- Integrated freeze protection
- Stainless Steel condensing heat exchanger
Installation Dimensions
- 18 9/16" W x 37" H x 9 13/16" D
- Weight: 78 lbs
- Indoor hung
- 2" exhaust & intake
Warranty Information
- Standard Recirculation: 1-year labor, 5-year parts, 15-year heat exchangers
- Uncontrolled Recirculation: 1-year labor, 3-year parts, 5-year heat exchangers
- DISCLAIMER: Unit must be installed by Bosch ABC Contractor or a Licensed Plumber
- Bosch requires a Licensed Plumber to call technical support in a breakdown emergency.
Certifications
- Energy Star: Yes
- UEF: 0.96
- Efficiency: 99%
- AHRI Certified: Yes
Technical Specifications:
| Flow Rate | Unit | T9800 SE 199 |
|---|---|---|
| Maximum flow rate at a 35 °F (19.4 °C) rise | GPM (l/min) | 11.2 (42.4) |
| Maximum flow rate at a 45 °F (25 °C) rise | GPM (l/min) | 8.7 (32.9) |
| Maximum flow rate at a 55 °F (30.6 °C) rise | GPM (l/min) | 7.2 (27.5) |
| Maximum flow rate at a 75 °F (41.7 °C) rise | GPM (l/min) | 5.2 (19.7) |
| Maximum flow rate at a 90 °F (50 °C) rise | GPM (l/min) | 4.4 (16.6) |
| Maximum gas input¹ | BTU/hr (kW) | 199,000 (58.3) |
| Minimum input² | BTU/hr (kW) | 9,000 (2.6) |
| Maximum output | BTU/hr (kW) | 197,010 (57.7) |
| Thermal efficiency (Efficiency in %) | % | > 99% |
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
4.3 ★★★★★
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Product Reviews
★★★★★ 5
Favorite Sunblock for Toddlers –Clean, Easy, and Effective
Size: 1 Fl Oz (Pack of 1), Set name: Spray - 5 fl oz., Size: 1 Fl Oz (Pack of 1), Set name: Spray - 5 fl oz.
This is my favorite sunblock for kiddos! The ingredients are very clean, and it provides excellent coverage. It’s super easy to apply to wiggly toddlers, and the easy-lock top lets me do it with just one hand. I highly, highly recommend this to parents of toddlers and young kids, it makes sun protection so much easier.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Easy application
Size: 0.5 Ounce (Pack of 1), Set name: Stick - 0.5 oz.
The stick’s shape makes it easy to apply on kids’ faces and provides solid sun protection. Like most zinc-based sunscreens, it leaves a noticeable white cast on the skin, which becomes less visible when rubbed in but doesn’t fully disappear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
My Go-To Brow Pencil!
Color: Deep Brown, Size: 0.006 Ounce (Pack of 1), Color: Deep Brown, Size: 0.006 Ounce (Pack of 1)
I've purchased the e.l.f. Instant Lift Brow Pencil twice already, and I'll definitely be buying it again. As you can see in my photo, I used it all the way down to the last bit!
The shade is a perfect match for my brows and gives them a very natural, filled-in look without appearing harsh or overly drawn. The built-in spoolie is a huge plus—it helps blend the product beautifully and keeps my brows looking soft and natural.
For the price, the quality is amazing. It's easy to apply, lasts well throughout the day, and has become a staple in my makeup routine. Highly recommend!
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Goes on smooth and great color
Color: Deep Brown, Size: 0.006 Ounce (Pack of 1)
Long lasting buildable color and glides on smoothly. Comparable quality and color payout to other more expensive brands. If you're not sure what color you are, the taupe is a good choice. The harder you press, the deeper the color. Great product for the price!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Brow perfection!
Color: Blonde, Size: 0.006 Ounce (Pack of 1)
This turned out to be one of my best purchases and so economical! I have a subscription for these brow pencils. Easy to apply, excellent staying power and so easy to carry with you. The color is saturated and perfect for my fair skin and blonde hair. You will not be disappointed! What a value!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
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