Filters

The Labor Day Holiday will affect shipping times. Please Click Here for details.
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

Rinnai OEM Tankless Heat Exchangers

Get genuine Rinnai factory OEM Heat Exchangers for your Rinnai unit. All Rinnai Heat Exchangers are brand new in the original factory packaging. We have fast FREE SHIPPING on most orders over $99 and ship within 1 business day. Some exclusions apply.

Showing 1 - 3 of 3
Sort Products By
Number of Products to Show
Rinnai 104000184 Heat Exchanger Kit
Rinnai 104000184 Heat Exchanger Kit
$561.95 / ea
In Stock ✔
$561.95 / ea
Close

* Please Provide Required Product Attributes

Rinnai 104000184 Heat Exchanger Kit

SKU: 104000184
Quantity
In Stock ✔

$561.95 / ea

I acknowledge that this is a special order which cannot be returned or refunded.
Rinnai 104000245 Heat Exchanger Kit
Rinnai 104000245 Heat Exchanger Kit
$306.95 / ea
In Stock ✔
$306.95 / ea
Close

* Please Provide Required Product Attributes

Rinnai 104000245 Heat Exchanger Kit

SKU: 104000245
Quantity
In Stock ✔

$306.95 / ea

I acknowledge that this is a special order which cannot be returned or refunded.
Rinnai 104000031-K Heat Exchanger
Rinnai 104000031-K Heat Exchanger
$285.95 / ea
In Stock ✔
$285.95 / ea
Close

* Please Provide Required Product Attributes

Rinnai 104000031-K Heat Exchanger

SKU: 104000031-K
Quantity
In Stock ✔

$285.95 / ea

I acknowledge that this is a special order which cannot be returned or refunded.
Close

Added to Cart

123

SKU:
Quantity
In Stock ✔

/ ea

View CartProceed to CheckoutContinue Shopping