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When you have your MV on the return is there any danger of the first rad on that circuit heating up?
Discuss Motorized valve on return in the USA area at PlumbersForums.net
Tbh that would be bad practice IMO. I'm not convinced any NRVs are properly tested and rated for CH use. Then when something like this fails you'll have no flow round the system.In which case use an NRV on the CH return.
Tbh that would be bad practice IMO. I'm not convinced any NRVs are properly tested and rated for CH use. Then when something like this fails you'll have no flow round the system.
Reply to Motorized valve on return in the USA area at PlumbersForums.net
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