In high-pressure steam systems

though the system limit is often determined by the tubing or valve cores used (typically 800 psi for valve cores)

Always verify the quantity needed for your specific multi-actuator project requirements

making it a staple for your service truck when addressing furnace manifold adjustments or burner conversions

5" x 5" large-format dimensions effectively hide old mounting holes and paint lines

Armstrong Furnace R46827-001 Ignitor In high-pressure steam systemsThe Armstrong Furnace R46827 001 Ignitor is a high performance silicon nitride hot surface ignitor engineered for precise ignition in residential heating systems. This direct OEM replacement part is critical for restoring reliable operation to Armstrong gas furnaces and compatible AirEase or Ducane equipment. Unlike older silicon carbide models, the nitride construction offers superior durability and resistance to oxidation, ensuring consistent