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Field-proven for reliability
maintaining a reliable seal under positive and negative pressure setups
3-speed hydronic component engineered specifically for high-efficiency heating systems
the York furnace rollout switch is factory-calibrated with a 225°F open point to immediately break the heating circuit upon detecting excessive heat
Carrier 342970-75103 Filter Door Assembly 326058-756 Field-proven for reliabilityThe Carrier 342970 75103 Filter Door Assembly is a critical genuine OEM replacement part engineered for exact fitment on specific Carrier, Bryant, and Payne air handlers and furnaces. As a direct replacement for 328090 703 and 1190076, this assembly ensures a high integrity seal for the blower cabinet, preventing unconditioned air bypass and maintaining static pressure specifications. Note that the 342970 75103 features a updated light grey finish