Draft Restoration: Returns the venting system to original factory airflow standards

This kit facilitates a complete rebuild of the second check assembly in Watts Series 909 and LF909 lead-free valves

maintaining low resistance across terminals for consistent voltage delivery

Efficient Oil Management: Features a calibrated orifice and anti-siphon hole to ensure proper oil return to the crankcase

Danfoss 003Z0293 Tailpiece 319852-301 Draft Restoration: Returns the ventingThe Danfoss 003Z0293 is a precision engineered AB QM sweat tailpiece designed for seamless integration with 3 4" AB QM pressure independent control valves (PICV). Engineered for high performance hydronic systems, this 3 4" sweat connection ensures a leak proof, permanent bond between the piping network and the valve body. Technical specifications confirm compatibility with DN20 valve sizes, facilitating accurate flow control and balancing in