ClimateMaster AWC99U01 Thermostat R-407A 0 Cv insert or a

0 Cv insert or a different capacity

and 3/4 HP motors

but the secondary side fails to show 24VAC across the R and C wires

Check for physical cracks in the ceramic and verify the spark gap

For technicians servicing specific Rheem or Ruud furnace models

ClimateMaster AWC99U01 Thermostat R-407A 0 Cv insert or aThe ClimateMaster AWC99U01 Thermostat is the engineered direct replacement for ATC32U03, providing high precision control for advanced geothermal and water source heat pump applications. This communicating thermostat integrates seamlessly with ClimateMaster DXM2 boards, allowing technicians to access critical diagnostic data and system performance metrics directly from the interface. Operating on 24 VAC 10% @ 3 VA, it features 802. 11 a b g n Wi Fi