Sterling Nexus HU400
  • Sterling Nexus HU400
  • Sterling Nexus HU100
  • Sterling Nexus HU100 Rear
  • Sterling Nexus HU400 Rear
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Price: $2,295.00
Availability: Factory Direct
Usually ships In 2 to 3 weeks.
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The Sterling Nexus series gas unit heaters are the most efficient and advanced unit heaters available! They are the only +90% efficient unit heater that come standard with:

  1. Modulating controls which allow the heaters to vary their output anywhere from 35% to 100% of capacity. Modulation is automatically handled by the heater, so no special thermostat is needed. Up to 99% efficiency can be obtained at its lowest output!
  2. Stainless steel casing and heat exchanger provides maximum protection against moisture and rust making them a great option for greenhouses, processing plants, agricultural buildings, and any other area where moisture is a problem.
  3. Best in class heat delivery with an average air temperature raise of 55° and heat throw of up to 150'.

Sterling Nexus heaters are designed for suspended mounting and require a vent pipe and connections to gas, electric, and condensate lines for installation. Some wiring required. Requires 110/120v electricity. Designed for propane or natural gas. All units can be vented with PVC pipe.

Features

  • +96% efficient
  • Made in the USA
  • Certified for residential, commercial, and industrial use
  • 3 to 1 modulating controls
  • Power vented exhaust
  • Separated combustion capable
  • Stainless steel casing and heat exchanger
  • 10 year warranty on the burner and heat exchanger

Performance Specifications

For Greenhouse Sizing, use our Greenhouse Heater Size Calculator
Model BTU Input BTU Output W x D x H Weight (lbs)
HU50 50,000 48,600 42 13/16" x 32 5/8" x 12 1/4" 120
HU100 100,000 96,000 42 13/16" x 38" x 17 1/4" 180
HU150 150,000 143,000 54 13/16" x 41" x 17 1/4" 209
HU200 200,000 192,000 54 13/16" x 42" x 17 1/4" 260
HU300 300,000 288,000 54 13/16" x 42" x 25 11/16" 323
HU400 400,000 384,000 54 13/16" x 42" x 33 7/16" 385


Product Manuals, Tips, Specs, & Guides
Sterling Nexus HU Heater Advantages
Sterling Nexus HU Heater Specs and Dimensions
Sterling Nexus HU Heater Installation Manual
Sterling Nexus HU Heater QuickStart Installation Guide

Item # 4073095, 4073100, 4073105, 4073107, 4073108, 4073110, 4073115, 4073120, 4073125, 4073130, 4073135
Overall Customer Rating of 1 Reviews:
Wisconsin

Nexus HU100

Rating:
I bought this unit for the high efficiency as well as good luck with Sterling products before. I put a GG series in my other shop that has worked perfectly since day 1. After spending so much money on the hu100 I expected it to work perfectly as well. First off it was shipped without the condensate drain, the transformer was loud and needed replacement, and the gas valve did not work properly. Once these issues were resolved it seemed to work fine. The next day it would fire up as it should but the blower fan would not kick on causing the unit to overheat and trip the limit switch. After a lot of trouble shooting I found the factory connections on the blower to be loose. The crimps were only on the plastic sleeve, not on the metal crimp itself. Once that was resolved it has now worked flawlessly for 24 hours. I expected much better quality for the price of the unit. I keep wondering what is going to go wrong next? I do have to say that with all of the issues acfgreenhouses.com and mesteska have been great at sending out the replacement parts.