No it stands for valve. In a one-pipe system the Thermostatic Radiator VALVE goes between the radiator and the air vent. Danfoss has a standard air vent you can use or use any vent you want. (View Post)

TRVs (thermostatic radiator valves) can be used for one-pipe or two-pipe systems. In one-pipe systems, the valve goes right before the air vent, and in two-pipe systems, the valve goes at the supply … (View Post)

Yes you can install a TRV with a remote thermostat and a remote dial (the dial and sensor can be separate or combined). One common brand is Danfoss, the RA2000 model would be suitable. The picture be… (View Post)

By 'main vent', do you mean the air handler or main trunk line of the air ducts? I would recommend against RTV. Instead use some UL-181 rated metal tape (not the cheap $5 unrated stuff, and definitel… (View Post)