Siemens Building Technology 658-0051 Valve R-134A the RK3B2 is compatible with

the RK3B2 is compatible with a wide range of Parker and Refrigerating Specialties (R/S) valve bodies

reducing the pressure differential across the TEV

Key Benefits Broad Certification: Meets both ASSE 1070 and ASSE 1017 standards

EPDM rubber provides a much broader temperature range and better resistance to ozone and weather

specifically updated to serve as the functional replacement for the older 0861465 part numbers

Siemens Building Technology 658-0051 Valve R-134A the RK3B2 is compatible withThe Siemens Building Technology 658 0051 is a professional grade 3 way sequencing valve engineered for precision modulation in 4 pipe HVAC systems. With a 1 2 inch flare connection and a 2. 5 Cv flow coefficient, this Powertop series valve is designed to manage hot and chilled water flow to radiant panels and induction units without mixing. The equal percentage flow characteristic ensures linear thermal output, providing tight control over terminal