Ingersoll-Rand 39207402 Temperature Control Valve Core for Air Compressors

This precision-engineered component regulates fluid temperature in HVAC, industrial cooling, and hydraulic systems. It automatically adjusts flow based on thermal feedback to maintain stable temperatures and protect equipment from overheating or freezing.

• Precise Thermoregulation - Maintains ±1°C accuracy with wax/electronic actuation
• Compact & Modular - Replaceable core design simplifies maintenance
• Wide Compatibility - Works with water, oil, refrigerants (R134a, R410A, etc.)
• Self-Compensating - Responds to temperature/pressure changes dynamically
• Long Lifespan - Corrosion-resistant brass/stainless steel construction

• Temperature Range: -30°C to +150°C (high-temp models to +250°C)
• Flow Rate: 0.5-50 L/min (varies by orifice size)
• Connection Types: 1/4" to 3/4" NPT/BSP threads
• Setpoint Adjustment: Fixed or field-adjustable (±10°C)
• Pressure Rating: Up to 25 bar (360 psi)

• Automotive: Engine coolant control, transmission oil cooling
• HVAC: Radiator balancing, underfloor heating systems
• Industrial: Laser chillers, plastic injection molding
• Energy: Thermal oil regulation in solar plants

• Irregular temperatures (overheating/cooling inefficiency)
• Stuck valve movement (mineral deposits or worn wax pellet)
• Leaks around the valve stem

1. Drain system fluid and isolate the valve
2. Unscrew the old core using a valve core tool
3. Clean the valve seat, install new core with PTFE tape
4. Refill system and test temperature response

• Interchangeable - Direct OEM replacements (Danfoss, Honeywell, etc.)
• Multi-Material Seals - EPDM for water, FKM for oils/refrigerants
• Pre-Calibrated - Ready-to-install with factory-set cracking temps
• Bulk Kits Available - Covers fleet/plant-wide maintenance needs