104000235 Rinnai Kit, Heat Exchanger Zoom

Rinnai Kit, Heat Exchanger RL94i, V94i (VC)

104000235

Status: Arriving Soon

US$440.99

Description

Description

The Rinnai Kit, Heat Exchanger (part no. 104000235) is a genuine OEM replacement designed to restore heating efficiency and performance in compatible Rinnai tankless water heaters and boilers. Replacing a fouled or leaking exchanger with an authentic Rinnai assembly helps ensure proper heat transfer, stable operation, and long service life.

This kit is engineered to factory specifications for a precise fit and dependable seal when installed per the service manual. If you’re unsure about model compatibility or what’s included for your unit, share your model and serial number and we’ll confirm the correct kit before you order.

Features

Features

  • Genuine Rinnai OEM heat exchanger kit for compatible models
  • Restores thermal efficiency and consistent hot water output
  • Built to factory tolerances for reliable sealing and durability
  • Ideal remedy for scale damage, corrosion, or internal leaks
  • Supports long-term system reliability when paired with proper maintenance
  • Backed by Rinnai quality standards

Specifications

Specifications

Part number 104000235
Brand Rinnai
Component type Heat exchanger kit (primary)
Compatibility Selected Rinnai tankless water heater/boiler models (verify by model/serial or parts list)
Intended use OEM replacement to address performance loss or internal leakage
Kit contents Heat exchanger assembly; associated gaskets/O-rings and hardware as required by model (varies)
Maintenance notes Annual descaling and water quality management recommended to maximize exchanger life
Origin Manufacturer-specified

Support

Support

Frequently Asked Questions

How do I confirm this heat exchanger kit fits my Rinnai model?

Match part number 104000235 to your unit’s parts list or service manual. You can also provide your model and serial number and we’ll verify compatibility before you purchase.

What symptoms indicate the heat exchanger needs replacement?

Common signs include reduced hot water temperature, error codes related to heat transfer or flow, visible leakage, or signs of internal corrosion/scale. A professional diagnosis is recommended before replacing the exchanger.

Does this kit include all gaskets and seals needed for installation?

Kit contents vary by model. Most applications include the exchanger and required gaskets/O-rings and mounting hardware. Check your model’s parts breakdown or contact us and we’ll confirm what is included for your unit.

Can I install this heat exchanger myself?

Due to gas, water, and combustion safety considerations, Rinnai recommends installation by a qualified technician following the service manual and local codes.

How can I extend the life of a new heat exchanger?

Maintain proper water quality, install scale mitigation where needed, and perform annual descaling/service according to Rinnai’s guidelines. Regular maintenance helps prevent efficiency loss and premature failure.

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