Navien NCB-240-NG OEM Repair Parts
Get genuine Navien factory OEM repair parts for your NCB-240-NG tankless water heater. All Navien parts are brand new in the original factory packaging and are guaranteed to fit and function properly. 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.

Navien 20003019A O-Ring
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20003022A O-Ring
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20006852A Packing Ring
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20006873A Packing Ring
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20006934A O-Ring P20
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20007733A Retainer Clip - A
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20007859A Fastener - D
List: $2.59 / ea
$1.95 / ea
In Stock ✔

Navien 20007877A Fastener
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20011380A Packing Ring
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20017210A O-Ring P16
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20017211A O-Ring P19
List: $3.99 / ea
$3.00 / ea
In Stock ✔

Navien 20017212A O-Ring P20
List: $3.99 / ea
$3.00 / ea
In Stock ✔