This is a complete pilot burner kit containing the pilot tube

protecting the furnace transformer and residential electrical panel

Tasked with ensuring airtight integrity

it is recommended to purchase the exact 12-inch factory-finished length to maintain structural integrity

York S1-7975-3771 Relay This is a complete pilotThe York S1 7975 3771 is a professional grade 24V SPDT Fan Relay designed for high cycle reliability in residential and light commercial air handlers. For technicians troubleshooting blower motor sequencing or intermittent fan failures, this component provides the specific low voltage logic required to switch high amperage loads. This Single Pole Double Throw relay is the direct OEM replacement for legacy part numbers S1 6313 2271 and 134 20103 301D,