Laars Heating Systems R0021300 Transformer 323080-701 always cross-reference your model and

always cross-reference your model and serial number with the York parts manual to ensure this is the correct spacer for your specific fan deck configuration

Leak Mitigation: Provides a professional-grade air-tight seal to eliminate whistling and fuel leakage risks during burner ignition

0 series silver-cap modules without a specific conversion kit or updated programming

a full pilot assembly replacement is recommended to ensure long-term reliability

Laars Heating Systems R0021300 Transformer 323080-701 always cross-reference your model andThe Laars R0021300 Transformer is a critical electrical component designed for precision voltage step down in hydronic heating systems. This 40VA control transformer features a 120V primary to 24V secondary configuration, providing reliable power to integrated boiler control boards, gas valves, and safety circuits. Engineered specifically for Laars heating systems, this component ensures consistent secondary voltage stability, preventing localized