Common Questions Is the A99BA-200 submersible

significantly reducing callbacks for premature component failure

Bypassing is never recommended for permanent operation

208/240V coil for standard HVAC control circuits

Direct OEM Interchangeability: Fully compatible with part number 10M7401

Armstrong Furnace R40154B004 Limit Switch Common Questions Is the A99BA-200The Armstrong Furnace R40154B004 Limit Switch is a critical safety component designed for precise thermal regulation within residential heating systems. Engineering for reliability, this L170F 30 limit control features a factory set 140 170F temperature range, ensuring the burner circuit interrupts if internal temperatures exceed safe operational parameters. As an authentic OEM Armstrong replacement part, it provides high limit protection for Allied