The LED flashes correspond to specific HVAC troubleshooting codes

Whether you are performing routine maintenance on a chiller or installing new HVAC temperature sensors

utilizing genuine Carrier HVAC parts ensures exact fitment and helps maintain the design-specified efficiency of the equipment

The face features clear English units and a 1/4" barbed connection (specifically a 1/8-inch NPT male center back mount housing with barbed adaptation or direct pipe threading depending on the specific field configuration)

meeting modern regulatory and disposal standards

Lennox 86M36 Pressure Switch 340155-7026 The LED flashes correspond toThe Lennox 86M36 High Pressure Switch is an essential OEM safety component designed for precise refrigerant monitoring in residential and commercial HVACR systems. As a normally closed (N. C.) switch, this unit provides critical compressor protection by initiating a system cut out when discharge pressures exceed 590 PSIG. Engineered for high stakes environments, the 86M36 features an automatic reset that restores circuit continuity once the pressure