Description
Lennox 10U40 High Pressure Switch Overview
The Lennox 10U40 is an OEM high pressure switch engineered to protect refrigerant systems from dangerous over-pressure conditions. Designed as a direct replacement for Lennox equipment, this switch provides reliable, automatic pressure monitoring to safeguard compressors and refrigerant circuits.
Key Specifications
- Cut-Out (Trip) Pressure: 675 PSI
- Cut-In (Reset) Pressure: 490 PSI
- Function: High pressure safety switch for refrigerant circuits
- OEM Lennox replacement part
- SKU: 10U40
How It Works
The 10U40 monitors refrigerant system pressure on the high side. When pressure rises to the 675 PSI cut-out threshold, the switch opens the circuit to shut down the compressor and prevent damage. Once pressure drops back to the 490 PSI cut-in point, the switch resets, allowing normal operation to resume.
Applications
- Lennox residential and light commercial air conditioning systems
- Refrigerant high-side pressure protection
- Compressor safety circuit integration
Why Choose the Lennox 10U40
- Genuine Lennox OEM part for assured compatibility
- Protects compressors from high-pressure damage
- Precise cut-out and cut-in pressure ratings for dependable operation
- Direct drop-in replacement for simplified installation
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