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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
or 12A49 vent limiter for indoor installations
and safety shut-off protocols to ensure reliable furnace operation
resisting the downward pull of negative pressure (pull-through) systems
with an exceptional repeatability of ±2%
Carrier 331831-701 Adapter Assembly R-134A or 12A49 vent limiter forThe Carrier 331831 701 Adapter Assembly is a critical OEM replacement part designed for high performance integration within Carrier, Bryant, and Payne heat pump and air handler systems. Engineering this assembly as a Factory Authorized Part ensures that it meets exact manufacturer tolerances, maintaining the structural integrity and operational efficiency of the refrigeration or ventilation circuit. For technicians, this part is essential when