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Mend Danfoss TRV Thermostatic Radiators Cold

Danfos thermostatic rad valves?

I have an on going problem with sticking danfos rad valves (thermostatic type) causing radiators to stay cold. I can usually get them working with a sharp tap with a hammer but this is not a satisfactory method. I have also tried WD40 but to no avail. Any suggestions please?

Frank Picken
December 2004
There is no permanant repair or method to overcome this problem.
Replace them with more modern TRV's

Eric
December 2004

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