This 8 loop Pex radiant heat manifold is the most complete manifold available for hooking up your radiant heating system.This sale includes(1) Supply 1" Stainless Steel Trunk w/ isolation valves(1) Return 1" Stainless Steel Trunk w/ flow meters(1) Set of Mounting Brackets(2) Thermometers (one on the supply manifold and one on the return manifold)(1) Automatic air vent to assist in air elimination(16) 3/8" Pex tubing compression connectorsFeatures & BenefitsEach manifold has a 1" FNPT ball valve connection with a y-strainer to catch debris.