PRV on sealed heating

[MethodPH]

Just wondering if I can put the sealed heating pressure relief valve on the hot water return? As I can’t get relief pipe out where boiler and controls are
[automerge]1604061267[/automerge]

Just wondering if I can put the sealed heating pressure relief valve on the hot water return? As I can’t get relief pipe out where boiler and controls are

just to add is an open vented conversion

 

[ShaunCorbs]

No as it needs to be on the primary’s as the port valves could be closed