ECM High-Efficiency Circulators

3-Speed High Efficiency Wet Rotor Circulator

• For closed loop hydronic systems zoned with circulators or zone valves
• BIO Barrier® protects pump from system contaminants
• SureStart™ automatic unblocking and air purging mode
• Double insulated with no ground wire required
• Dual electrical knockouts with 6" stranded wire leads
• 4830 rpm ECM permanent magnet motor
• Composite cartridge and impeller
• Integral Flow Check (IFC®)
• Temperature range: 36° to 230°F
• Suffixes:
• F2 = Standard
• F4 = Universal 2-way