MODULUS® Adaptive Modulating Infrared Tube Heater - Series AM

Introducing our patented modulating infrared tube heater that truly adapts to the environment, providing optimal thermal comfort. The Series AM combines the benefits of a fully modulating infrared heater with SRP’s 100% efficient reflector for maximum efficiency resulting in the best modulating heater on the market.


  • Fully modulates gas and air
  • Available in natural gas and propane
  • Models rates 80,000 to 200,000 MBTU’s
  • Modulating differential 40%, largest in the industry
  • Fully automatic or manual control of burner modulation
  • Self-regulating, no fixed points – adapts to the demand regardless of conditions
  • Simple, effective controls
  • Easy troubleshooting – service while burner operating
  • Reliable – pressure measured mechanically
  • Outdoor approved
  • Separated controls compartment
  • Self-diagnostic potted ignition module
  • Parabolic aluminum reflectors
  • Nickel-chromed Jet Stream burner cup