Can I use this for multi-stage thermostat connections

Using a manometer and a multimeter

With its OEM HVAC part specifications

This board-mounted 1/2" bimetal disc limit switch features a fixed open temperature of 220°F and a fixed close temperature of 200°F

Trane IGN0145 Ignitor Els PW 17895 Can I use this forThe Trane IGN0145 is a high performance 80V silicon nitride ignitor designed to replace legacy silicon carbide components in residential gas furnaces. Built for long term durability, the silicon nitride heating element offers superior resistance to oxidation and physical wear compared to older styles. This furnace hot surface ignitor kit includes a pre mounted 304 stainless steel bracket and lead wires with a terminal plug for a direct fit