Vaillant heat only boiler + switched live thermostats + weather comp?
- Thread starter notorious
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Blending valve is working perfectly with the input being reduced some of the return flow, but you still can’t force too much heat in to the floor and risk an overheated floor surface. 50 really is the max flow to the floor, Return flow is currently 46 so only 4 to 5 degrees drop within the floor.
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