Commonly used for radiant floor heat systems, stainless steel radiant manifold kits are available in various loop configurations for use with 1/2" PEX*.
*Kit includes 1/2" PEX compression connectors. Additional 1/2" PEX compression connectors (part number 2900563) or connectors for PEX-AL-PEX (part number 2900564) can be ordered separately.