The Alltrux ATX921-1150 Pressure Switch replaces OEM 1MR2472M2 and is designed as a service replacement for heavy-duty truck HVAC and air conditioning systems. This pressure switch monitors refrigerant system pressure and helps control compressor operation to maintain proper system performance and component protection in fleet and vocational environments.

Pressure switches play a critical role in HVAC system control by ensuring the compressor operates only within safe pressure ranges. As original switches wear electrically, develop internal faults, or lose calibration, inaccurate pressure readings and reduced HVAC reliability can occur. Replacing worn pressure switches helps restore proper system control, improve compressor protection, and reduce unplanned HVAC service events.

KEY FEATURES
• Designed for heavy-duty truck HVAC refrigerant pressure control applications
• Helps regulate compressor operation based on system pressure conditions
• Supports reliable A/C system performance and component protection
• Durable construction suited for fleet, vocational, and on-highway use
• Brand: Volvo
• Verify compatibility and application requirements before ordering

TECHNICAL SPECIFICATIONS
Alltrux Part Number: ATX921-1150
OEM Reference: 1MR2472M2
Product Type: A/C Pressure Switch
Brand: Volvo
System Application: Heavy-Duty Truck HVAC & Air Conditioning System

CROSS REFERENCES
1MR2472M2

Note: Confirm OEM reference and application details before ordering to ensure proper fit and HVAC system compatibility.