Split Between Supply and Return only 10 Degrees Supply And Return
PRICE CSRD Series combination supply and return diffusers are available with extruded aluminum louvered blades for supply air and an eggcrate core for return Returns Request Form | HD Supply most of the circulators i see are on the return 99.9% Manifold supply and return ball valves | Uponor I generally only recommend ERVs for very airtight homes (less than 2 ACH50), and in those cases balanced ventilation is the ...