Skip to main content
Item # bci3256768

The Navien NCB-240E has been discontinued

** See similar or replacement items below **

Navien
Item # bci3256768

Navien 4.5 GPM Whole House Natural Gas and Liquid Propane Combination Boiler with 199,900 BTU Input

Model: NCB-240E
|
Item: bci3256768

Discontinued

We still have product details and accessories, scroll down to see them!

Discontinued

We still have product details and accessories, scroll down to see them!

Details

Features:

  • Ultra condensing efficiency from Navien's condensing technology provides unrivaled savings in energy and cost
  • Low NOx emissions compared to other boilers thanks to new metal fiber burner that offers less green house effect
  • Two stainless steel heat exchangers are more durable and cuts down proliferation of mineral deposits
  • Field convertible from Natural Gas to Liquid Propane
  • Automatic water filling system senses when there is low water and replenishes water in the space heating pipes as needed
  • Anti-freeze control system keeps the boiler's plumbing from freezing over in cold weather
  • Energy Star Rated so you know your boiler is efficient without losing heating power

Specifications:

  • Gallons Per Minute (GPM): 4.5 GPM
  • Max BTU Input: 199,900 BTU
  • Fuel Type: Natural Gas (Field Convertible to Convertible to Liquid Propane)
  • Depth: 12"
  • Height: 28"
  • Width: 17"
  • Energy Star Rated: Yes
Additional Navien Links

    Dimensions and Measurements

    Maximum Flow Rate
    4.5 GPM
    Maximum Gas Input
    199900, 120000
    Minimum Flow Rate
    0.5 GPM
    Vent Maximum Run
    720 in.
    Water Connection
    3/4"

    Dimensions and Measurements

    Maximum Flow Rate
    4.5 GPM
    Maximum Gas Input
    199900, 120000
    Minimum Flow Rate
    0.5 GPM
    Vent Maximum Run
    720 in.
    Water Connection
    3/4"

    Included Components

    Includes Remote
    Yes

    Included Components

    Includes Remote
    Yes

    Characteristics and Features

    Direct Vent
    Yes
    Function
    Condensing
    Heater Type
    Boiler
    Installation Type
    Wall Mount
    Vent Type
    Direct Vent
    Water Connection Type
    NPT

    Characteristics and Features

    Direct Vent
    Yes
    Function
    Condensing
    Heater Type
    Boiler
    Installation Type
    Wall Mount
    Vent Type
    Direct Vent
    Water Connection Type
    NPT

    Electrical and Operational Information

    Condensing
    Yes
    Fuel Type
    Liquid Propane, Natural Gas
    Max BTU Input
    12000
    Total BTUs
    199900

    Electrical and Operational Information

    Condensing
    Yes
    Fuel Type
    Liquid Propane, Natural Gas
    Max BTU Input
    12000
    Total BTUs
    199900

    Warranty and Product Information

    Country Of Origin
    USA
    Heat Exchanger Warranty
    15-Years
    Product Variation
    Combination Boiler

    Warranty and Product Information

    Country Of Origin
    USA
    Heat Exchanger Warranty
    15-Years
    Product Variation
    Combination Boiler

    Related Navien Categories

    Reviews

    (0)

    Product Q&A

    Matching Products