• Control sensitivity of 2.5" water column and a supply pressure effect of less than 1% to deliver consistent and reliable precision accuracy to maintain your desired set point regardless of supply pressure changes or conditions • Five set point pressure ranges from 0-5 psi, 0-3.5 BAR, 0-35 kPa up to 2-100 psi, 0.1-7 BAR, 15-700 kPa • Compact size allows installation in restrictive spaces • Brass and zinc plated steel construction permits use in corrosive or difficult environments • Vibration damper provides low noise operation • Repeatability within 0.06 psig dead ended - facilitates highly accurate setpoint control • 70220, 70230, 70240, 70250