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MRS/MRL Series

Low-Intensity Gas-fired Infrared Tube Heater

The Modine MRL/MRS Series redefines outdoor comfort with its high-efficiency, low-glare radiant warmth, making it the perfect choice for outdoor and semi-outdoor spaces. By blending elegant design with advanced functionality, these Low-Intensity Gas-Fired Infrared Tube Heaters offer exceptional comfort for hospitality, commercial, and architectural applications.

Each model features advanced low-intensity radiant technology paired with two-stage gas controls, enabling customized heat output while optimizing energy efficiency. Whether it’s enhancing the ambiance of restaurant patios, hotel terraces, covered commercial decks, or vibrant entertainment venues, the Modine MRL/MRS Series is the ultimate solution for outdoor heating.

Models

  • MRS – 9 ft Model
    • 35 to 50 MBH
  • MRL – 16ft 4in Model
    • 50 to 100 MBH
Where To Buy

Highlighted Features

Sleek, Modern Appearance

The MRS/MRL’s clean, streamlined design looks as good as it performs—delivering powerful radiant heat in a unit that complements today’s modern commercial and architectural spaces.

Efficient, Comfortable Radiant Heat

Merging elegant design with advanced functionality, the MRS/MRL uses low-intensity infrared technology to heat people and surfaces directly instead of the air—reducing energy waste and maintaining consistent comfort without drafts or noise.

Durable, Flexible Installation

With corrosion-resistant radiant tubes, adjustable reflector angles, and multiple mounting configurations, the MRS/MRL installs easily and delivers long-lasting performance in a variety of indoor environments.

Product Details & Specifications

Key Features
  • Low-Intensity Tube: .95 Emissive Black-Coated Aluminized Steel for even heat distribution and minimal light emission.
  • Decorative Aesthetic: Sleek profile with optional grill, perfect for modern hospitality and retail environments.
  • Two-Stage Burner Control: High- and low-fire operation for energy savings and precise comfort.
  • Length & Output Options: MRS model (9 ft) and MRL model (16 ft 4 in) suitable for various applications.
  • Fuel Flexibility: Compatible with natural gas or propane service.
  • Outdoor-Ready Construction: Corrosion-resistant aluminum housing and stainless components for durability.
  • Easy Installation: Quick configuration and assembly in under 5 minutes.
  • Included Hardware: Hanging chain kit and stainless steel flexible gas connector for fast setup.
  • Heating Coverage: MRS covers 160 ft²; MRL covers 312 ft².
  • Self-Diagnostic LED: Enhanced safety and reliability with microprocessor-based circuitry.
  • Standard Controls: Includes 24V controls and power cord.
Options
Fuel Type:
  • Natural Gas
  • Propane

Available Models:

  • MRS 15-050 {N, P}: 35,000(N)/45,000(P) – 50,000 BTU
    • Length: 9′ / Weight: 115 lbs. / Mounting Height: 9’ to 16’
  • MRL 30-065P {N, P}*: 50,000 – 65,000 BTU
    • Length: 16′-4″ / Weight: 170 lbs. / Mounting Height: 9’ to 16’
  • MRL 30-080 {N, P}: 52,000 – 80,000 BTU
    • Length: 16′-4″ / Weight: 170 lbs. / Mounting Height: 9’ to 16’
  • MRL 30-100 {N, P}: 65,000 – 100,000 BTU
    • Length: 16′-4″ / Weight: 170 lbs. / Mounting Height: 9’ to 16’

*{N, P} – Specify natural gas (N) or propane gas (P)
*Mounting Heights – Factory-recommended mounting heights are provided as a guideline. Actual conditions may dictate variations from the above data.

Warranty
Applications

The MRL/MRS Series is designed for outdoor and semi-enclosed comfort environments where guests, employees, or patrons benefit from radiant warmth without intrusive hardware.

Common applications include:

  • Restaurant and café patios
  • Rooftop terraces and hotel lounges
  • Event venues and commercial decks
  • Covered outdoor corridors, vestibules, and service areas
  • Golf driving ranges

Tech Documents

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