Bypassing rear heater

[Mark-H]

Will be flushing the coolant on the bongo soon (2.5 v6 petrol). May take the opportunity to loop out the rear heater as it is no use since the conversion. What’s the simplest way/place to loop it out. No immediate plans to mess with the Aircon so will not be able to remove the rear heater completely just yet but taking it out of the loop should reduce the complexity of the cooling system.