It not only heats up your hot water... it heats up your profits too! This compact interior unit is sealed combustion and can be mounted in a variety of space saving locations iand applications.
C53i PLUS 2007 Model Tankless Heater
Advanced Tankless Water Heating & Style
- Silver Powder Coated Finish
- Smooth Pleasant Lines and Rounded Corners
- Matching Pipe Cover Provides A Finished Appearance
Tankless Technology
- Continuous Hot water on demand delivered at 5.3 GPM
- Whole House Water Heating Solution
- MC-91 Digital Temperature Controller =/-2° F included
- Direct Electronic Ignition - No Pilot Light
- On Board Diagnostics And Safety Monitoring
- Click To See Service Code Information
- Interior Sealed Combustion Unit - Does Not Use Interior Combustion Air
- Battery Backup Possible for Operation in Power Interruptions
- Quick Cable Connector
Tankless Energy Efficiency
- Up to .81 EF Providing Significant Energy Cost Savings
- Click Here To See How Much You Can Save
- On When You Need It Off When You Don't...No Standby Loss!
Warranty
- 5 Year Limited Warranty On The Heat Exchanger
- 5 Year Warranty On All Parts
- Standard 1 Year Labor Warranty
- Click Here To Register Your Warranty
Specification Table
- Maximum/Minimum Gas Rate (Input BTU/Hr.) 15,000 - 180,000
- Dimensions: 9.6"D x 14"W x 22.9" H
- Weight: 48 lbs.
- 5.3 GPM Maximum Hot Water Capacity at 35° Rise
- 4.2 GPM Maximum Hot Water Capacity at 75° Rise
- NoX Emissions Less Than 40Ng/J
- Temperature Range 120 - 185° F
- Click Here To See Complete Flow VS. Temperature Rise Graph



