In backflow prevention

Application Versatility: Suitable for both R-410A and R-134a systems when paired with appropriate expansion valves and filtration

Durable Construction: Heavy-duty metal sleeve designed to withstand the operational stressors of commercial HVAC air distribution systems

allowing for quick head replacement without draining the system or using specialized wrenches

Contractor-Grade Reliability: Features a blow-out proof stem design and 100% American-made quality for critical gas safety shutoff

Resideo DS06-100-SUT-LF Pressure Regulating Valve 319847-401 In backflow preventionThe Resideo DS06 100 SUT LF is a 1 2" NPT pressure regulating valve engineered for precision water pressure management in residential and commercial plumbing systems. This lead free pressure reducing valve features the Braukmann DialSet technology, allowing for onsite downstream pressure adjustments via a calibrated dial without requiring an external gauge for setup. Built with a robust bronze body and fabric reinforced diaphragm, the DS06 100 SUT LF