J.A. ROBY Fan Limit Control (Universal)
J.A. ROBY Fan Limit Control (Universal)
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Universal Fan Limit Control
OEM Blower Activation & High-Limit Safety Switch — Part #5D51-90
Automate your forced-air heating cycles and protect your system from overheating with the official J.A. ROBY Universal Fan Limit Control (Part #5D51-90). Engineered for J.A. ROBY wood furnaces and high-output blower assemblies, this dual-function control turns the convection fan on once the firebox reaches operating temperature and shuts it off before circulating cold air—while providing a critical high-limit thermal safety cut-off.
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