Extremely reliable design: Clutch-protected drive train, durable synchronous motor

Easy to install and service: Compact design with snap-on actuator with a convenient in-line push button. Removable bottom cap allows for easy in-pipe service

Application versatility: Hot water, chilled water and low-pressure steam

Lead-Free

Quiet Operation

Automatic Recycling Manual Operator Shows Valve Position at All Times

Built-In Auxiliary Contacts to Control Burner or Circulator Relay

Motor Can be Removed from Valve Assembly without Draining System

Quiet Operation

Automatic Recycling Manual Operator Shows Valve Position at All Times

Built-In Auxiliary Contacts to Control Burner or Circulator Relay

Motor Can be Removed from Valve Assembly without Draining System

Quiet Operation

Automatic Recycling Manual Operator Shows Valve Position at All Times

Built-In Auxiliary Contacts to Control Burner or Circulator Relay

Motor Can be Removed from Valve Assembly without Draining System

Designed with the Higher Capacity Normally Required by North American Heating System

Valve Seat Disc, Which is Made of Resilient Material (EPDM), Ensures Tight Shutoff on Steam or Hot Water System

All Working Parts are Replaceable Using Service Tool While Valve Remains in Service, In-line, Under Pressure

Valves Normally Open without Control Mounted

Low Seat Leakage Rating, Less than 0.05 Percent

Spring Loaded, Self-Adjusting Packing

Constant Total Flow Throughout Full Stem Travel

Accurate Positioning to Ensure State-Of-The-Art Temperature Control

Valves Utilize Direct Mounting, Electric or Pneumatic Valve Actuators

Q5001 Linkage with Modutrol Motor

Repack and Rebuild Kits Available for Field Servicing