AO Smith V110D1016 V110 Thermostatic Radiator Valve, High Capacity, Straight Body, 1 Inch, FPT x MPT Union, 150 psi Maximum Hot Water, 15 psi Maximum Steam, 7 Cv, 193000 BtuH Heating, Bronze, Nickel Plated ? Continually monitors and adjusts room temperature for consistent comfort and relief from under heating and overh