OverviewReznor Electric plenum-rated unit heaters (EPH) are engineered for concealed and suspended ceiling plenums or integration into ducted central heating systems. Designed for flexible vertical or horizontal mounting and zero-clearance installations, the EPH provides compact, reliable electric heating while enabling discreet integration into building HVAC systems.
Key benefits- Rated for installation in suspended and concealed ceiling/plenum spaces with zero-clearance capability for concealed mounting
- Multi-voltage and multi-phase configurations to suit varied site electrical supplies
- Factory-installed controls and optional accessories simplify integration with building control systems
- Heavy-gauge steel construction for dependable operation across commercial HVAC applications
Features- Voltage options: 208 V, 240 V, 277 V, 347 V, 480 V, 600 V — available in single- or three-phase
- Epoxy/polyester powder-coat finish for durable exterior protection
- Heavy-gauge steel construction (18 and 20 gauge)
- Optional adjustable louver for directional airflow
- Factory-installed contactor and 240/208 V control circuit standard
- Optional built-in 1- or 2-stage thermostats (size dependent); 2-stage thermostat available for specific sizes (10 kW, 12 kW, 15 kW)
- Optional controls and accessories include fan delay control and other model-dependent options to meet site requirements
Applications- Commercial vestibules
- Offices
- Warehouses
- Stairwells
- Underground parking
- Crawl spaces
Technical specifications- Model / Series: EPH
- Brand: Reznor
- Voltage range: 208–600 V (multiple discrete voltages supported)
- Phases supported: Single-phase and three-phase
- Construction: Heavy-gauge steel (18 and 20 gauge)
- Finish: Epoxy/polyester powder coat
- Control hardware: Factory-installed controllable circuits, contactor, and 240/208 V control circuit standard; optional built-in one- or two-stage thermostats (size dependent)
- Installation: Zero-clearance rated for concealed spaces; installable vertically or horizontally; suitable for use as part of a ducted central heating system
- Optional airflow: Adjustable louvers for directional air delivery
- Typical configurable options: Multiple power/phase options, fan delay control, and model-dependent accessories