New construction or major renovation. Installation needs to commence during the framing stage, before internal linings, claddings or building wrap are applied.
R1405 recess box, suitable for the following Rinnai INFINITY external gas continuous flow water heaters:
• A16-A26 (current range)
• VT16-VT26 (discontinued)
• XR16-XR26 (discontinued)
• V16-V24 (discontinued)
R1407 recess box, suitable for the following Rinnai INFINITY external gas continuous flow water heaters:
• EF24 (current model)
• HD200 (current model)
• HD250 (current model)
• XR32 (discontinued)
A Rinnai INFINITY unit inside a recess box operates at a slightly louder level than a Rinnai INFINITY installed on an outside wall. Please bear this in mind when positioning near a bedroom as the operating noise could affect some people.
Building code compliance
Local authorities may have their own additional requirements regarding this type of installation. If in doubt over compliance with building codes, it is advisable they are consulted prior to installation.
The following diagram is to assist in determining where a recess box and external continuous flow water heater can be positioned. If in doubt, consult a licensed gasfitter.