Resideo AT88A1005 Transformer 318172-701 OEM Compatibility: Specifically designed for

OEM Compatibility: Specifically designed for seamless integration with the Lennox HCSteam-35 series

it ensures that a technician must inspect the venting system for blockages before the boiler can be placed back into service

Thermally Protected: Features internal automatic thermal overload protection to prevent winding failure during restricted airflow conditions

OEM Compatibility: Guaranteed fit for Friedrich Premier (PDE/PDH) and Select Series (PZE/PZH) PTAC models

Resideo AT88A1005 Transformer 318172-701 OEM Compatibility: Specifically designed forThe Resideo AT88A1005 is a heavy duty, foot mounted HVAC control transformer designed to deliver reliable 24V power to high demand commercial and residential systems. Engineered as a 75VA transformer, this unit effectively steps down 120V primary voltage to a stable 26. 5V secondary output, providing the extra capacity needed for complex multi stage systems or zones. The internally fused secondary provides critical overload protection, preventing