White-Rodgers™ 1311 Hydronic Zone Valve, 3-Way, Normally Closed, 1 Inch, Sweat, 50 psi, 37 Cv, 24 VAC, 50/60 Hz, 0.4 A, 240 deg F Water, 15 psi Differential, Time Cycle: 45 sec Open, 45 sec Close, 3-Wire, Stainless Steel, 5-7/8 Inch H x 4-5/8 Inch W x 2-5/8 Inch D, Includes: Screw Terminal Wiring Panel and Auxiliary Switch
- Quiet operation
- Valve stem made of stainless steel
- 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
- Friction loss: 3-1/2 ft tubing