Filters
Shop Categories

Secure Checkout
Free Shipping On Orders Over $99(Exclusions Apply)
Shipping Hours: MON-FRI 8AM to 5PM EST
0
Your Shopping Cart Is Empty

Secure Checkout
Thousands of Plumbing HVAC and Electrical Parts in Stock

Navien NCB-240E-NG OEM Repair Parts

Get genuine Navien factory OEM repair parts for your NCB-240E-NG tankless water heater. All Navien parts are brand new in the original factory packaging. This is the NG model which means that it uses Natural Gas. We have fast FREE SHIPPING on all orders over $99 and ship all orders within 1 business day.

Parts Diagram PDF Owners Manual PDF
Showing 1 - 12 of 59
Sort Products By
Number of Products to Show
Navien 20003019A O-Ring
Navien 20003019A O-Ring $3.00 / ea
In Stock
$3.00 / ea
Navien 20003022A O-Ring
Navien 20003022A O-Ring $3.00 / ea
In Stock
$3.00 / ea
Navien 20006852A Packing Ring
Navien 20006852A Packing Ring $3.00 / ea
In Stock
$3.00 / ea
Navien 20006873A Packing Ring
Navien 20006873A Packing Ring $3.00 / ea
In Stock
$3.00 / ea
Navien 20006934A O-Ring P20
Navien 20006934A O-Ring P20 $3.00 / ea
In Stock
$3.00 / ea
Navien 20006949A O-Ring 17.5 x 2.7
Navien 20006949A O-Ring 17.5 x 2.7 $3.00 / ea
In Stock
$3.00 / ea
Navien 20007016A Strainer O-Ring
Navien 20007016A Strainer O-Ring $3.00 / ea
In Stock
$3.00 / ea
Navien 20007859A Fastener - D
Navien 20007859A Fastener - D $1.95 / ea
In Stock
$1.95 / ea
Navien 20007877A Fastener
Navien 20007877A Fastener $3.00 / ea
In Stock
$3.00 / ea
Navien 20007959A Space Heating Return Adapter
Navien 20007959A Space Heating Return Adapter $21.95 / ea
In Stock
$21.95 / ea
Navien 20011380A Packing Ring
Navien 20011380A Packing Ring $3.00 / ea
In Stock
$3.00 / ea
Navien 20017207A O-Ring P4 E7518
Navien 20017207A O-Ring P4 E7518 $3.00 / ea
In Stock
$3.00 / ea
Close

Added to Cart

SKU:
Quantity
In Stock ✔

View CartProceed to CheckoutContinue Shopping