This SPST (Single Pole Single Throw) limit switch is engineered to open the electrical circuit when it detects excessive heat concentrations

allowing technicians to fine-tune cycles for maximum efficiency

What is the vacuum pressure rating for this switch

as Armstrong Air replacement motors may require a specific run capacitor (typically 5 MFD/370V) that may differ from the failed unit

the integrated servo regulator effectively maintains a constant 3

Trane ORF0501 Orifice L99H008 This SPST (Single Pole SingleThe Trane ORF0501 is a precision engineered #44 Standard Fire Orifice designed specifically for compatible Trane furnace models and gas heating systems. As a critical combustion component, this brass orifice regulates the essential fuel flow to the burner assembly, ensuring the correct gas to air mixture for stable ignition and consistent thermal output. Measuring approximately 5. 7 inches in length, this OEM replacement part provides the exact