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Description
Bosch Greentherm T9900 SE 160,000 BTU Propane Tankless Water HeaterSummary Bosch Greentherm T9900 SE 160,000 BTU with a built in Recirculation Pump provides you with endless, on demand hot water for your home or business. This liquid propane tankless hot water heater is designed for standard homes with up to 2 full baths, 1 washer, 1 dishwasher, and a few faucets. 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
Summary
Bosch Greentherm T9900 SE 160,000 BTU with a built-in Recirculation Pump provides you with endless, on-demand hot water for your home or business. This liquid propane tankless hot water heater is designed for standard homes with up to 2 full baths, 1 washer, 1 dishwasher, and a few faucets. 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: T9900
- Unit Size: 160,000 BTU/H
- Energy Source: Liquid Propane
- Wifi Enabled: No (Add Wifi Kit)
- Recirculation Pump Included: Yes
- 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 19/32" W x 31.5" H x 9 27/32" D
- Weight: 73.2 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 | T9900 SE 160 |
|---|---|---|
| Maximum flow rate at a 35 °F (19.4 °C) rise | GPM (l/min) | 9.0 (34.0) |
| Maximum flow rate at a 45 °F (25 °C) rise | GPM (l/min) | 7.0 (26.7) |
| Maximum flow rate at a 55 °F (30.6 °C) rise | GPM (l/min) | 5.8 (21.9) |
| Maximum flow rate at a 75 °F (41.7 °C) rise | GPM (l/min) | 4.2 (15.9) |
| Maximum flow rate at a 90 °F (50 °C) rise | GPM (l/min) | 3.5 (13.2) |
| Maximum gas input¹ | BTU/hr (kW) | 160 000 (46.64) |
| Minimum input² | BTU/hr (kW) | 9,000 (2.6) |
| Maximum output | BTU/hr (kW) | 157 608 (46.2) |
| 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
4.4 ★★★★★
Based on 981 reviews
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Product Reviews
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
★★★★★ 5
Works well. You need to drill a 3/8” hole
Appears to be well made, alignment bar slides in nicely. As stated, you need to drill a hole in the bar for the gimble bearing driver, the directions are not clear, what I did was before I take out the old gimble bearing, put an O ring on the bar close to the last step on the bar, slide the bar all the way in, then carefully slide the bar out, this marks the distance from the back of the gimble bearing to where the shaft on the outdrive bottoms out, move the O ring a 1/4” towards the stepped part of the alignment tool (this is so you won’t bottom out the alignment tool when driving the gimble bearing in) then slide the driver puck up to the O ring and use a 3/8” diameter transfer punch through the side hole in the puck to mark the bar. You need to drill a 3/8” diameter hole in the alignment bar, two V blocks, some clamps, and a drill press will make drilling much easier, after the bar is securely mounted and centered in the drill press, use a center drill, then 1/4” drill first, using plenty of oil, drill all the way through, then use the 3/8” drill, deburr both sides and you should be good to go. People complain that it doesn’t come pre-drilled, the reason is that not all out drives are the same so you have to fit it to the outdrive that you have. Fortunately, I have a machine shop at my house and have a jig setup with various drill bushings, but the method I described above should work for you. Just make sure you’re perfectly centered and secure before you start drilling.
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Reviewed in the United States on April 16, 2026
★★★★★ 5
A must pull your gimbal bearing
You do need to drill a hole but worked perfect
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Reviewed in the United States on December 26, 2025
★★★★★ 5
Worked for Volvo Penta SX Gimbal Bearing
Very heavy tool, I was surprised. Pulled my bearing like it was nothing. Putting the new bearing in was a little more difficult as you have to drill a hole in the engine alignment shaft where it will work for your particular outdrive. Not hard, but it does not come pre-drilled as the required depth for each particular gimbal bearing differs by manufacturer and model. Measure your bearing placement before removal and check that it was installed correctly in the first place. The bearing should line up with the grease fitting and the o-rings on the drive shaft should end up riding in the middle of the bearing. once you have your measurement drill the hole, I used a drill press. I suppose you could use it on multiple outdrive models as long as you can drill more holes.
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Reviewed in the United States on June 5, 2023
★★★★★ 5
Great value
This kit worked perfectly on my Alpha one mercury outdrive. I saw a lot of people mention that it was a hassle to drill the hole when you better have all this alignment stuff. I threw it in use my regular drill drill guide and then the second hole was lined up. Pulling Gimble be very easy. I did have to adjust it up at an angle because my bearing was sitting in their crooked and it came out the second time I made the adjustment to the angle. I would highly recommend this.
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Reviewed in the United States on April 16, 2024
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