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The Danfoss 065B-6200 is a 4-inch flanged 4-way rotary valve engineered for precision temperature regulation in high-capacity hydronic and HVAC systems
featuring opening and closing times of less than one second
Features dual set-screw mounting for maximum grip and reliable performance in high-duty cycle applications
this 24V flue damper ensures the safety interlock—verifying the damper is in the fully open position before allowing the main burner to ignite—is maintained
Daikin-McQuay 139517J Fan Wheel 319825-402 The Danfoss 065B-6200 is aThe Daikin McQuay 139517J Fan Wheel is a critical OEM blower wheel engineered for precise rotational balance and high static pressure performance in commercial and industrial air handling units. Designed specifically for Daikin McQuay HVAC systems, this component ensures consistent CFM delivery while minimizing vibration induced stress on the motor and bearings. As a genuine replacement part, the 139517J maintains the original factory specifications