Trane TRR0825 Transformer 30067439-890 A functional ignitor should read

A functional ignitor should read between 40 and 90 ohms

Bypassing a safety limit is never recommended

Key Benefits for HVACR Professionals Universal Millivolt Compatibility: Precision-engineered to power standard millivolt gas valves in various Rheem-Ruud water heater models

this HVAC control board facilitates seamless communication between input sensors and heavy-duty contactors

ending in a common 0

Trane TRR0825 Transformer 30067439-890 A functional ignitor should readService your commercial or residential equipment with the Trane TRR0825, a heavy duty OEM HVAC transformer designed for critical voltage regulation. This 75VA control transformer features a 208 230V primary input and a 24V secondary output, providing the necessary current for thermostats, contactors, and control boards. Built to withstand the thermal demands of high cycle operation, the TRR0825 ensures stable power delivery without the voltage sag