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When should an enclosing tube be replaced
this model is specifically calibrated for a maximum operating pressure of 125 psig
For contractors performing HVAC furnace repair or routine pilot burner maintenance
Key Benefits for Technicians Universal Compatibility: Direct replacement for Johnson Controls V46AC-3C with standardized 3/4" NPT connections
As a direct replacement for 097954 and PS2-A7A
Carrier 330539-757 Coupling Box Refrigerant When should an enclosing tubeThe Carrier 330539 757 Coupling Box is a critical OEM replacement component designed for 40 inch tall condensing gas furnaces. This genuine furnace coupling box kit replaces older ICP part numbers, including 320721 768, ensuring a precise fit and restoring the factory standard seal on the secondary heat exchanger. For technicians working on Carrier, Bryant, or Payne furnaces, this kit is essential when addressing common moisture or combustion air