ensuring compatibility with your current gas valve and burner manifold configuration

Optimized Rotation: Standardized CWLE rotation for seamless integration into existing fan blade assemblies

It handles a 30 psig maximum input pressure and delivers a high-performance 1000 scim flow capacity at 20 psig supply

With a factory-preset 3% deadband and an input span of 16mAdc starting at 4mAdc

Adjustable setpoint provides a versatile range of 0

Carrier HF660007 Enthalpy Control 319847-401 ensuring compatibility with your currentThe Carrier HF660007 Enthalpy Control with integrated sensor is the direct OEM replacement for the obsolete HH57AC077. Engineered for 24 VAC commercial economizer systems, this high precision HVAG enthalpy controller monitors both latent and sensible heat to optimize outside air intake. By calculating the total heat content of the air rather than just dry bulb temperature, the HF660007 ensures the economizer only utilizes outdoor air when it is truly