Tag: 4074FAB

Honeywell 4074FAB Resistor APPLICATION The 1000-ohm, three-watt 4074FAB Resistor is used in certain applications to assure compatibility with power stealing thermostats. Use this Resistor When Installing Forced air systems using ST9120 or ST9141Electronic Fan Timer. Taco zone valve applications. Trane electric heat air handlers. Oil systems using Honeywell R8184 Oil Primaries. Cool only applications. INSTALLATION…