even in systems with high-impedance anticipator-type thermostats

Operating on a 24Vac coil

it ensures seamless integration and maintains the UL-certified safety profile of the original equipment

Is this 12726 model for the compressor or the fan

Smith standard boiler configurations

Reznor 38678 Orifice even in systems with high-impedanceThe Reznor 38678 #45 Nat Gas Orifice is a high precision combustion component designed for accurate fuel delivery in specific gas fired HVAC heating equipment. As an OEM replacement orifice, it ensures the correct natural gas flow rate to the burner, which is critical for maintaining optimal combustion efficiency and consistent BTU output. This #45 drill size orifice is engineered to meet the exact tolerances required for Reznor unit heaters and duct