This #47 brass burner orifice is specifically machined to meet rigid OEM tolerances for Reznor unit heaters and gas-fired equipment

preventing vibration-induced hardware failure

and 210G series gas regulators

Rugged Hermetic Build: Eliminates common leak points found in gasketed sight glasses for long-term system integrity

essential for multi-stage fan control and safety interlocks

York S1-025-38585-000 Limit Switch This #47 brass burner orificeThe York S1 025 38585 000 Limit Switch is a critical safety component designed for precise thermal regulation within HVAC systems. This automatic reset limit switch features a single pole single throw (SPST) configuration, engineered to open the electrical circuit at 55F and close at 45F. For veteran techs troubleshooting York, Coleman, or Luxaire units, this part acts as the primary defense against heat exchanger failure by monitoring temperatures