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Designed specifically for negative pressure systems
this direct-acting valve is a standard for contractors servicing autoclaves
leak-free connection essential for maintaining system vacuum integrity and proper refrigerant flow
Key Benefits: Designed exclusively for negative pressure applications to prevent accidental opening from suction
this is an OEM part for both Trane and American Standard unitary equipment where part numbers MNT2458 or MNT1266 are specified
Trane HTR9493 Crankcase Heater 326058-758 Designed specifically for negative pressureThe Trane HTR09493 is an OEM belt type crankcase heater engineered for high capacity 460 volt HVAC systems, specifically within the RTAC and CGAM chiller series. This 160 watt heating element serves as a critical line of defense against refrigerant migration and oil dilution during the compressor's off cycle. By maintaining the oil at a temperature significantly higher than the system's saturation point, the HTR09493 crankcase heater ensures proper