Indfos industries ltd manufactures a wide range of pressure & temperature switches and flow controls. As part of that, the company offers single pole double throw pressure control. It is specially designed to stop and start small refrigeration and air conditioning compressors. It uses cfc, hcfc, hfc, and r717 refrigerants to carry out this operation. The company offers this pressure control in low pressure, high pressure and combined high/low pressure versions. This equipment is housed in a dust proofed mild steel casing. Independent setting of starting and stopping pressures is possible.