Indoor Tankless Water Heater - Liquid Propane - Open Box

List Price: $399.00
Save: $99.75 (25% Off)
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This "Open Box" product is in excellent condition. Each unit is a fully functional return item with little or no cosmetic blemishes. The product has been tested for quality assurance and is certified "Open Box". All "Open Box" units include a 90 day parts & labor warranty through the original manufacturer and are not eligible for a “buyer’s remorse” return. *Note – units manufactured by Danby do not include the original manufacturer’s warranty. Please review our main “returns & refunds” page for full details.

Eccotemp Indoor Tankless Water Heater - Liquid Propane

The indoor equivalent to the 40H-LP, the Eccotemp Indoor Tankless Water Heater (40HI-LPOB) is designed to supply hot water to a standard three bedroom, two bathroom home. This unit is an ideal choice for retrofitting your old storage tank heater, or can be plumbed in a new location. In addition, the 40HI-LP is powered by liquid propane which is generally more efficient and carries a lower operating cost than similar electric units.

Rated at an already impressive 6.0 GPM, this unit is also split system adaptable which can further increase efficiency and hot water delivery speed. With built-in pressure relief, filter system and a 10 year warranty, this tankless hot water heater is the ideal choice for a standard sized home.

  • Power:

    Up to 137,500 BTU, 110V power supply

  • Vent and Inlet Measurements:

    3 inch vent
    3/4 inch water inlet with adapter, 1/2 inch without adapter
    3/4 inch gas inlet

  • Flow Rate:

    35 degree rise: 6.0 GPM
    45 degree rise: 4.57 GMP
    77 degree rise: 2.6 GMP


  • Model: 40HI-LPOB
    Warranty: 10 years on heat exchanger and parts
  • Brand: Eccotemp
    Eccotemp Indoor Tankless Water Heater
  • Split system adaptable
    Freeze protection: electric heaters dist. throughout water system in cabinet
  • Mounting environment: inside
    Up to 135K BTU
  • Controls: Indoor:integrated in front panel
    Built-in pressure relief and filter system
  • Minimum flow rate: 0.66 GPM at 14 psi
    Electrical power: 110VAC, standard 3-pronged outlet
  • Powered by liquid propane
    Dimensions: 26" H x 17" W x 7.5" D