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C/CW Series

Hydronic Cabinet Unit Heater

Modine’s Hydronic Cabinet Unit Heaters offer exceptional, quiet heating efficiency, harnessing hot-water or steam systems within a sleek, architectural cabinet design tailored for commercial, institutional, and educational environments. This innovative series seamlessly combines a hydronic coil with a low-noise fan assembly, all housed within an attractive steel enclosure, making it perfect for areas where functionality and aesthetics are essential.

The C model provides an exposed, floor-mounted solution ideal for perimeter heating or open interior spaces. The CW model supports exposed wall mounting or partial/full recessed installation, enabling integration into wall cavities, alcoves, and architectural millwork. This flexibility makes the C/CW series an excellent option for both new construction and retrofit projects where uniform design continuity is essential.

Models

C – Floor-Mounted
CW – Wall or Ceiling Mounted (Exposed or Partial/Full Recessed)

Where To Buy

Highlighted Features

Quiet, Efficient Hydronic Heating

Using hot water or steam from an existing hydronic system, the Cabinet Unit Heater provides smooth, silent, and draft-free warmth. Perfect for environments that demand quiet operation and consistent comfort.

Architectural, Space-Saving Cabinet Design

Built to blend into commercial and institutional interiors, the slim cabinet design delivers powerful hydronic heat without disrupting the room’s aesthetics. Ideal for hallways, entryways, classrooms, and offices where appearance matters.

Flexible Installation & Reliable Performance

With multiple mounting options and durable steel construction, this unit adapts easily to any building layout. Its rugged design ensures long-term operation, low maintenance, and dependable heat where it’s needed most.

Product Details & Specifications

Key Features

Durable Construction: The cabinet top and sides are crafted from a single sheet of 18-gauge steel, minimizing parting lines associated with multi-piece designs.
Precision Engineering: Partition panels and the back sheet are die-formed from a single sheet of 18-gauge steel, ensuring a perfect fit, alignment of internal components, and enhanced cabinet rigidity.
Robust Structural Design: Five to eight structural elements that are fixture-aligned and welded for added durability.
Efficient Installation: Features two easy-access end pockets that facilitate convenient installation of piping and electrical wiring, reducing overall installation time and costs.
Durable Finish: Treated to prevent rust and corrosion, finished with a resilient polyester powder-coat paint.
User-Friendly Filters: Quick-change permanent filters that can be removed without tools. Cleanable filters come standard for easy maintenance.
Sound Dampening Insulation: Front panels are insulated to minimize sound, enhancing overall comfort.
Convenient Serviceability: The blower platform, blower, and motor are designed to be removed as a single unit for convenient service.
Powerful Performance: Driven by a direct-drive, multi-speed shaded-pole motor with built-in thermal overload protection, the forward-curved aluminum blower wheels deliver optimal airflow.
Adjustable Speed Control: Solid-state infinite speed control with an off position to fine-tune performance as needed.
Tilt-Type Access Doors: Standard tilt-type access doors allow easy access for maintenance and inspections.
High-Quality Coils: Coils crafted with copper tube and aluminum fin construction, utilizing sweat connections. Tubes are mechanically expanded into integral fin collars, and all return bends and joints are silver alloy brazed. Each coil is pressure-tested to 200 psi.
Field-Reversible Coils: Designed for flexibility, piping can be configured for left- or right-hand connections, with left-hand piping as standard.
Optional Cooling Capability: Factory-installed cooling option (factory-installed drain pan included)
Proudly Designed, Engineered, and Assembled in the USA: Commitment to quality and craftsmanship in every unit.

Options

Model Configurations

C – Floor-Mounted
CW – Wall or Ceiling Mounted (Exposed or Partial/Full Recessed)

Nominal Air Flow (CFM)

250 CFM
330 CFM
450 CFM
620 CFM
840 CFM
1050 CFM
1240 CFM
1430 CFM

Refer to document 11-160 Cabinet Unit Heaters Catalog for a complete list of available options.

Accessories

Manual starter
Two & three-way electric valve
Modulating non-electric value
Perma-lap frames
Aquastat

Warranty

75-941 Warranty Overview

Applications

The C/CW Series supports a wide range of commercial and institutional heating applications where hydronic, quiet, architecturally integrated heating is required:

Schools, colleges, and institutional buildings
Offices, administrative centers, and conference areas
Hallways, lobbies, and reception zones
Retail storefronts and showrooms
Healthcare and clinical corridors
Public buildings and community facilities

Tech Documents

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