For more information about Custom processing: Brand: Antunes Model: d type: D-type mechanical pressure switch - single switch is a switch accurate and reliable. Its unique dual-circuit control, each setpoint control two separate dry contact, open two different voltages. High and low pressure settings can be adjusted. Reset and loop type available. Rugged molded aluminum structure mounted horizontally, without leveling cost price can be customized according to OEM specifications Model: RLGP-D, RHGP-D, LGP-D, HGP-D Order Code: Model range pressure reset 8031141012 " to 14 "water column (50-350 mm) low-pressure automatic reset 80311410210" to 50 "of water (250 to 1,250 mm) automatic reset low pressure range Pressure Reset Model 8031140015" to 28 "water column (125-700 mm ) high pressure automatic reset 80311400210 "to 50" water column (250 to 1,250 mm) high pressure range Pressure reset automatically resets Model 8031139012 "to 14" water column (50-350 mm) low pressure manual reset 80311390210 " to 50 "water column (250 to 1,250 mm) low pressure manual reset Model range pressure reset 8031138015" to 28 "water column (125-700 mm) high pressure manual reset 80311380210" to 50 "of water (250 to 1,250 mm ) high pressure