York S1-9951-0931 LP Gas Orifice #42 (0.0935)

The York S1-9951-0931 is a precision-drilled LP (liquefied petroleum) gas orifice designed for use in York heating equipment. This orifice features a #42 drill size with a 0.0935-inch diameter opening, specifically calibrated to meter the correct amount of LP gas for optimal burner performance and combustion efficiency.

Key Features:

• Orifice size #42 with 0.0935-inch diameter for precise gas metering
• Designed specifically for LP gas applications
• Genuine York OEM replacement part
• Ensures proper fuel-to-air ratio for efficient combustion
• Brass construction for durability and corrosion resistance

Proper orifice sizing is critical for safe and efficient operation of gas-fired heating equipment. This orifice is engineered to meet York's exact specifications for LP gas conversion or replacement in compatible furnaces and heating units. Always verify compatibility with your specific equipment model before installation.