Common Technician Questions: What causes a Lennox limit switch to trip frequently

this Lennox expansion valve is designed for modern high-pressure refrigerants typically found in 6-ton HVAC equipment

preventing the common arcing issues found with generic spade connectors

making it a reliable solution for restoring factory-standard efficiency to cooling systems

For smaller diameters

Johnson Controls P-8000-1 Pressure Controller Els PW 29614 Common Technician Questions: What causesProportional Pressure Controller, 30" Hg to 25 PSIG, Direct or Reverse Acting (Furnished Direct Acting, Field Reversible ), 70 PSIG Low Maximum Controllable Pressure, 500 PSIG Maximum High Controllable Pressure, Adjustable . 75 to 13 PSI Low Sensitivity and . 2 to 3 PSI High Sensitivity, Surface Mount, Barbed Fittings for 1 4" OD Tubing, 0 30 PSIG Output Pressure This item is not qualified for free shipping.