Eccotemp 6.8 GPM Liquid Propane Tankless Water Heater
The Eccotemp Liquid Propane Tankless Water Heater is one of the most advanced CSA-approved outdoor models of the Eccotemp tankless line. Rated at an impressive 6.8 GPM with a temperature rise of 38 degrees and 140,000 BTU per hour, the Eccotemp 45H-LP can meet all your hot-water needs! Eccotemp’s advanced 0.7 GPM low flow ignition technology allows users to enjoy endless hot water without experiencing cold spots.
Recommend use for standard-size single-family homes, apartments, condos, cabins, as well as smaller commercial applications. Using 2-3 hot water applications simultaneously is a breeze with the Eccotemp. With our upgraded PCB (Product Control Board) performance and an all-new gas modulating valve, consumers can experience best-in-classes temperature performance with a price anyone can afford.
The compact, wall-mounted Eccotemp has a 110/120-volt UL listed power cord that powers the internal Exhaust Fan, Anti-Freeze Protection, Digital Display, and PCB. With its fully automated control system, the Eccotemp only pulls about .67 amps during operation, making it ideal for low energy consumption and efficiency.
The Eccotemp Liquid Propane Tankless Water Heater has been CSA tested and approved for US & Canadian use at elevations up to 2000 feet. Installation and use of the Eccotemp above 2000 feet may affect overall product efficiency and performance. Installation and use of the Eccotemp Liquid Propane Tankless Water Heater above 5000 feet is not recommended.
IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.
| Model Number | Indoor or Outdoor Use | Color | Description |
| 45H-LP | Outdoor | White | Unit Only |
| EL22-LP | Outdoor | Black | Unit Only |
| EL22-LPS | Outdoor | Black | The included Eccotemp Service Kit Bundle with the EZ-FLUSH Descaler Kit maximizes your water heaters’ efficiency all year long by flushing away harmful build-up. The Eccotemp Service Valve Bundle also includes the service valve for easy access to descaling your water heater without disconnecting water lines, as well as a quart of Eccotemp Descaling Solution, 350 gallon/hour built-in pump, and two 5-foot rubber hoses. |
| 45H-LPS | Outdoor | White | The included Eccotemp Service Kit Bundle with the EZ-FLUSH Descaler Kit maximizes your water heaters’ efficiency all year long by flushing away harmful build-up. The Eccotemp Service Valve Bundle also includes the service valve for easy access to descaling your water heater without disconnecting water lines, as well as a quart of Eccotemp Descaling Solution, 350 gallon/hour built-in pump, and two 5-foot rubber hoses. This model includes a patented EZ-FLUSH Descaler Kit for removing build-up and keeping your water heater running at maximum efficiency all year long. It also includes a service valve for easy access to descaling your water heater without disconnecting water lines. |
| EL22i-LPH | Indoor | Black | The included Eccotemp 4” category III, stainless steel, UL listed Horizontal Vent Kit makes installation a breeze. Additional venting may be required based on your installation. The Eccotemp 4” Horizontal Vent Kit Includes a termination hood with backflow preventer, 90-degree elbow, 12” straight pipe, wall thimble, and appliance adapter. |
| EL22i-LPV | Indoor | Black | The included Eccotemp 4” category III, stainless steel, UL-listed Vertical Vent Kit makes installation a breeze. Additional venting may be required based on your installation. The Eccotemp 4” Vertical Vent Kit Includes an adjustable flashing 0-30 degrees, storm collar, rain cap with wind band, backflow preventer, universal appliance adapter, and an in-line drain pipe. |
| EL22i-LPS | Indoor | Black | The included Eccotemp Service Kit Bundle with the EZ-FLUSH Descaler Kit maximizes your water heaters’ efficiency all year long by flushing away harmful build-up. The Eccotemp Service Valve Bundle also includes the service valve for easy access to descaling your water heater without disconnecting water lines, as well as a quart of Eccotemp Descaling Solution, 350 gallon/hour built-in pump, and two 5-foot rubber hoses. This model includes a patented EZ-FLUSH Descaler Kit for eliminating build -up to keep your water heater running at maximum efficiency all year long. It also includes a service valve for easy access to descaling your water heater without disconnecting water lines. |
| 45HI-LPH | Indoor | White | The included Eccotemp 4” category III, stainless steel, UL listed Horizontal Vent Kit makes installation a breeze. Additional venting may be required based on your installation. The Eccotemp 4” Horizontal Vent Kit Includes a termination hood with backflow preventer, 90-degree elbow, wall thimble, 12” straight pipe, and appliance adapter. |
| 45HI-LP | Indoor | White | Unit Only |
| EL22i-LP | Indoor | Black | Unit Only |
| 45HI-LPV | Indoor | White | The included Eccotemp 4” category III, stainless steel, UL-listed Vertical Vent Kit makes installation a breeze. Additional venting may be required based on your installation. The Eccotemp 4” Vertical Vent Kit Includes an adjustable flashing 0-30 degrees, storm collar, rain cap with wind band, backflow preventer, universal appliance adapter, and an in-line drain pipe. |
| 45HI-LPS | Indoor | White | The included Eccotemp Service Kit Bundle with the EZ-FLUSH Descaler Kit maximizes your water heaters’ efficiency all year long by flushing away harmful build-up. The Eccotemp Service Valve Bundle also includes the service valve for easy access to descaling your water heater without disconnecting water lines, as well as a quart of Eccotemp Descaling Solution, 350 gallon/hour built-in pump, and two 5-foot rubber hoses. This model includes a patented EZ-FLUSH Descaler Kit for removing build-up and keeping your water heater running at maximum efficiency all year long. It also includes a service valve for easy access to descaling your water heater without disconnecting water lines. |
Features
| Model Number | Dimensions | Applications | Map Zone |
| EL22-LP | 17.75″ x 29.50″ x 9.75″ | Whole Home | N/A |
| EL22-LPS | 17.75″ x 29.50″ x 9.75″ | Standard Home, Apartment/Townhome | N/A |
| EL22I-LP | 17.75″ x 29.50″ x 9.50″ | Whole Home | N/A |
| EL22I-LPH | 17.75″ x 29.50″ x 9.50″ | Standard Home, Apartment/Townhome | N/A |
| EL22I-LPS | 17.75″ x 29.50″ x 9.50″ | Standard Home, Apartment/Townhome | N/A |
| EL22I-LPV | 17.75″ x 29.50″ x 9.50″ | Standard Home, Apartment/Townhome | N/A |
| 45H-LP | 16.75″ x 28.50″ x 9.25″ | Whole Home | Northern Region, Mid Region, Southern Region |
| 45H-LPS | 16.75″ x 28.50″ x 9.25″ | Standard Home, Cabins, Apartment/Townhome | Northern Region, Mid Region, Southern Region |
| 45HI-LP | 17.00″ x 29.00″ x 10.00″ | Whole Home | Northern Region, Mid Region, Southern Region |
| 45HI-LPH | 16.75″ x 28.50″ x 9.25″ | Standard Home, Cabins, Apartment/Townhome | Northern Region, Mid Region, Southern Region |
| 45HI-LPS | 16.75″ x 28.50″ x 9.25″ | Standard Home, Cabins, Apartment/Townhome | Northern Region, Mid Region, Southern Region |
| 45HI-LPV | 16.75″ x 28.50″ x 9.25″ | Standard Home, Cabins, Apartment/Townhome | Southern Region, Mid Region, Northern Region |














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