The Reznor 131988, HCT-01GC0K00339 Transformer is a genuine OEM replacement part designed for Reznor heating systems. With a primary input of 120V and a secondary output of 24V at 12VA, this transformer provides reliable low-voltage power to your unit?s controls. Featuring wire leads for easy installation, it ensures safe and efficient operation in demanding HVAC applications. Key Features OEM transformer for Reznor heating equipment Input Voltage: 120V Output Voltage: 24V Power Rating: 12VA Frequency: 50/60Hz Comes with factory-installed wire leads for simple installation Provides safe, stable, and reliable power conversion Specifications Part Numbers: 131988, HCT-01GC0K00339 Input: 120 Volt AC Output: 24 Volt AC Power: 12VA Frequency: 50/60Hz Application: Heating and HVAC systems Manufacturer: Reznor Compatible Models Fits multiple Reznor heating units (contact seller for exact compatibility) Why Choose This Item This Reznor OEM transformer ensures proper fit, safe operation, and dependable performance for your HVAC system. With factory wire leads, installation is quick and straightforward, minimizing downtime. Using genuine parts helps protect your equipment, extend service life, and maintain peak efficiency ? the best choice for technicians and facility managers who rely on Reznor systems.