The new EPIC System measures energy usage while monitoring coil performance to adjust a Pressure Independent (PI) Control Valve to optimize coil. St. James is a friendly, welcoming church, and we'd love to have you join us for worship any Sunday morning. . Come and be a part of our. Custom Built Outdoor BBQ Products Since Pig Cookers / Patio Grills / Smokers / Custom BBQ Trailers · () · Proudly Made In The USA.