2 Wire Hydronic Zone Valve For 1-1/4" I.D. Tubing, 15 PSI Maximum Differential Across Valve, 240°F Maximum Water Temperature, 24 VAC, 60Hz, 50 PSI Maximum System Pressure
3 Wire Hydronic Zone Valve For 1-1/4" I.D. Tubing, 15 PSI Maximum Differential Across Valve, 240°F Maximum Water Temperature, 24 VAC, 60Hz, 50 PSI Maximum System Pressure