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Keith Specialty Store
6791 Rt 119 Hwy N,  Marion Center, PA 15759
US callers: 800-705-8838
FAX: 724-397-2228
Outside the US: 724-397-8838
8:00am-6:00pm  M-F, 8:00am-3:00pm Sat. (ET)

Latest Customer Review: November 15, 2020: (Trane KIT 15943 ignitor and control board kit) - Worked great to get my furnace up and running again.! Kyle


Armstrong R40154B004 limit switch

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Armstrong R40154B004 limit switch; replaces 40154B004
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Armstrong R40154B004 limit switch L170F-30, 140-170F; replaces 40154B004. These are the same parts for Allied Air, AirEase, Concord, Ducane, Lennox and others.
Average rating:
average rating 100%
1 reviews

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Featured positive reviews:

average rating 100%
furnace parts 10/15/2020
By michael beam
good quality parts and very good price . thanks
This Armstrong R40154B004 limit switch can be substituted for these OEM part numbers:
manufacturerpart number(s)