For most York commercial units

Key Benefits: ASME Section IV Certified: National Board capacity certified for high-output commercial and residential heating systems

While the standard Sporlan 401128 provides excellent contaminant control

Installing this valve in an R410A system will cause improper metering and potential component failure due to pressure rating differences

it is compatible with natural gas and LP gas (liquid propane)

Trane SWT1652 Limit Switch R-410A For most York commercial unitsThe Trane SWT1652 Limit Switch is a critical safety component designed for high limit temperature monitoring in residential and commercial HVAC units. This OEM Trane replacement part features a fixed temperature range of 200 230F, ensuring the system shuts down power to the gas valve or heating elements if internal temperatures exceed safe operating parameters. Often utilized as a furnace high limit switch, the SWT1652 utilizes a 3 inch insertion