JD Sales Company is a manufacturer's representative of hydronic products for HVAC applications. Since 1972, we have steadily grown to become a leading and respected HVAC sales firm, servicing all counties of Southern California. Our staff is eager to be of service in the design and application of flow control valves, pressure independent control valves in new construction, as well as TI/retrofit projects. We have extensive experience in pre-insulated pipe for below grade installation for steam, PCR, chilled and hot water systems. We also can provide fuel oil containment systems for below and above grade applications. To support our "Going Green" initiatives, we are proudly offering hi-efficiency water filtration systems for removal of suspended solids in open cooling towers, closed loop chilled water, and hot water circuits, to help dramatically reduce power consumption, water use, and chemical use in water treatment.