Johnson Controls T-4002-5009 Calibration Tool Universal Compatibility: Efficiently steps down

Universal Compatibility: Efficiently steps down 208V/240V primary voltage to the 24V secondary required for modern HVAC control circuits

allowing for clean wire routing away from high-heat zones

but surface degradation of the rod usually necessitates a permanent OEM flame sensor replacement to ensure long-term signal stability

The Honeywell 32000085-001 Strain Relief Fitting is a critical installation accessory engineered for direct coupled actuators

Check for dirty filters

Johnson Controls T-4002-5009 Calibration Tool Universal Compatibility: Efficiently steps downJohnson Controls T 4002 5009 Calibration Tool, Usaed with Pneumatic Thermostats