Bosch TR6100C-18 Tankless Water Heater
Best efficient solution for single-bathroom residential hot water needs.
This electric tankless unit is the ultimate space-saver for single-bathroom homes, delivering endless hot water without the bulk of a traditional tank. You sacrifice the ability to heat multiple showers simultaneously, but you gain a highly efficient, on-demand system that eliminates standby energy waste entirely.
$545.95
at
PexUniverse
Who it's for
- Homeowners looking to reduce monthly utility expenses
- Residents in apartments or homes with limited square footage
- Buyers prioritizing long-term durability and reliable performance
Who should skip it
- Owners of older homes with limited electrical panel capacity
- Large households needing hot water for multiple simultaneous fixtures
- Budget-conscious shoppers seeking a low initial investment
Performance breakdown
Energy Efficiency
High thermal efficiency minimizes waste and lowers monthly utility costs significantly.
Space Efficiency
Compact, wall-mounted profile frees up valuable floor space in utility closets.
Temperature Precision
Digital controls allow for exact, consistent heat adjustments between 86°F and 125°F.
Flow Activation
Low 0.5 GPM threshold ensures hot water starts quickly without lag.
Installation Complexity
Requires dedicated electrical service, making professional installation a necessary, non-negotiable step.
Capacity Suitability
Perfectly sized for single-bathroom homes but limited for larger, multi-fixture households.
Key Specs
Water Heater Type
Tankless (On-Demand)
Output Power
18kW (13.5kW @ 208V)
Efficiency Rating
0.94 UEF
Dimensions
20-1/4" W x 13-1/4" H x 5-1/8" D
Temperature Range
86°F - 125°F
Electrical Requirements
Hardwired, 3 x 30A / 240V service
Minimum Activation Flow Rate
0.5 GPM
Water Connections
3/4" Male NPT
Weight
14.8 lbs
Mounting Type
Wall Mounted
Know before you buy
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