Dux 2F136S - Non Return Valve

Installer’s Guide
Electric Boosted Solar
21
H3163 025247 Rev. C


• A non return valve is included with
this water heater.
• We recommend tting the non
return valve at the solar return pipe
connection.
• Ensure the non return valve is installed
so that the ow direction arrow faces
the storage tank.
• All pipe work must be insulated.
RELIANCE
FLOW
Flow Direction Arrow
Storage tank
Cold Water
Flow Direction
Hot Water
Flow
Direction
Non return
valve