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The Allied Air R40154B001 is a high-limit control (26L61) rated 150/130 F that provides temperature shutoff for HVAC systems. It functions as a safety limit switch to interrupt operation when temperatures exceed its setpoint and is intended as an OEM replacement for Armstrong and Ducane equipment. Typical applications include furnaces and heating units requiring a 150 F high-limit safety control.
High-limit temperature control for HVAC safety; 150 F setpoint; OEM replacement for multiple part numbers.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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