York S1-029-19387-003 Orifice 320734-701 you should look for the

you should look for the corresponding 143-82 series springs

The unit operates on a 24V AC ignition control circuit

measure the resistance of the temperature sensor

For suction line temperature

When installing the 100109841 gas valve

York S1-029-19387-003 Orifice 320734-701 you should look for theThe York S1 029 19387 003 Orifice is a precision engineered . 061 refrigerant metering device designed to regulate the flow of refrigerant within York HVAC systems. As an OEM replacement part, it ensures the exact pressure drop required for optimal thermal exchange, preventing liquid slugging and maintaining system efficiency. This specifically sized 0. 061 inch diameter orifice is common in residential split systems and microchannel air conditioner