Description
Overview
The First Company E135 is a 120/24V step-down transformer engineered to provide stable, low-voltage power to HVAC control circuits. Designed as a direct OEM replacement for compatible First Company air handler and fan coil systems, the E135 ensures consistent 24V output from a standard 120V primary supply — keeping thermostats, control boards, and other low-voltage components operating reliably.
Key Features
- Primary voltage: 120V AC
- Secondary voltage: 24V AC
- OEM replacement transformer for First Company HVAC equipment
- Designed for use in air handlers, fan coils, and related HVAC control applications
- Provides stable low-voltage power to thermostats, relays, and control boards
- Compact design for easy installation in tight equipment cabinets
- Built for long-lasting, dependable performance
Applications
- First Company air handlers and fan coil units
- HVAC low-voltage control circuit power supply
- Thermostat and control board power source
- Replacement transformer for compatible First Company systems
Why Choose the First Company E135?
Using a genuine OEM-matched transformer like the First Company E135 ensures proper voltage regulation and compatibility with your existing equipment. Correct transformer sizing protects sensitive control components and helps prevent nuisance tripping or equipment damage caused by voltage irregularities.
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