HERZ DZR Brass 3-Way Control Valve (4037 Series)
Compact brass thermostatic 3-way valve for automatic temperature control
HERZ Brass 3-Way Control Valve (Calis TS RD Series)
Compact brass thermostatic 3-way valve for automatic temperature control
HERZ Brass 3-Way Control Ball Valve (2137 Series)
Forged brass 3-way mixing and diverting valve
HERZ Cast Iron 3-Way Control Valve (F4037 Series)
Cast iron 3-way flanged valve for mixing and diverting in large hydronic systems