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York model # TG9S120D20MP11 flashing red light 6 times. Thought 6 Red Flashes York Furnace

Last updated: Saturday, December 27, 2025

York model # TG9S120D20MP11 flashing red light 6 times. Thought 6 Red Flashes York Furnace
York model # TG9S120D20MP11 flashing red light 6 times. Thought 6 Red Flashes York Furnace

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