The 41-403 is a silicon carbide ignitor

Can I use this on a DC circuit

this valve body must be paired with an AH Series high-temperature actuator

For steam requirements

8401-006BX is the cross of S8401-006

Lennox 71K11 Pressure Switch Els PW 17895 The 41-403 is a siliconThe Lennox 71K11 Pressure Switch is a critical safety component designed for precise vent pressure monitoring in GHR26 series gas furnaces and compatible commercial HVAC units. This single pole, single throw (SPST) switch is factory set to actuate at 0. 75" WC (water column) and features an automatic reset function with a reset threshold of approximately 0. 90" WC. Engineered for durability in high demand environments, the 71K11 ensures the inducer