Product Information


         Quality & Comfort


Fraser-Johnston® Heating & Air Conditioning home comfort systems are designed and built to provide maximum quality, comfort, and efficiency to your home. Whether you're looking for a furnace, an air conditioner or a complete heating and cooling solution , your Fraser-Johnston® Dealer can evaluate factors such as your home's size, age, number of rooms, regional climate, and utility costs to select the best system for your home.



Get Certified



Fraser-Johnston® encourages professionalism through North American Technician Excellence, Inc.(NATE). NATE is the leading certification program for technicians in the heating, ventilation, air-conditioning and refrigeration (HVAC/R) industry, and is the only test supported by the entire industry.

Energy Star

Earning the ENERGY STAR® means products meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency and the Department of Energy. When compared to standard models, ENERGY STAR® products are between 15 and 25% more efficient. This model meets ENERGY STAR® requirements for energy efficiency.

ISO 9001 Certified Company


Selected Product Details and Documentation


Fraser-Johnston Heating and Air Conditioning


Product Details
PRODUCT78% AFUE Commercial Belt Drive Furnace (GY8S-E)
Heat Exchanger20 Years
Parts5 Years

This mid-high efficiency, compact unit employs induced combustion, reliable hot surface ignition and high heat transfer tubular heat exchangers.  The unit is factory shipped for installation in upflow or horizontal applications.

This furnace is designed for residential and commercial applications.  The unit is factory assembled, wired and tested to assure safe, dependable and economical installation and operation.

The unit is Category I listed and may be common vented with another gas appliance as allowed by the National Fuel Gas Code.

  • Easily applied in upflow, horizontal left or horizontal right installation with no conversion necessary.
  • Electronic hot surface ignition with high reliability and dependability.
  • 100% shut off main gas valve for added safety.
  • Rollout safety control
  • Large belt drive blower for high CFM and static capability
  • 1-1/2 HP ball bearing motor.
  • Reliable hot surface ignitor.
  • Aluminized tubular heat exchanger for long term durability.
  • High quality inducer motor for quiet operation.
  • Standard terminals for controlling humidifiers and EAC's or other commercial application requirements.
  • 40 VA control transformer fuse protected.
  • Easy to connect power and control wiring.
  • Efficiency ratings of 78 AFUE attained by using tubular heat exchangers.
  • Cooling relay supplied for easy installation of add-on cooling.
  • Adjustable fan-off settings to eliminate "cold-blow".
  • Equipped with timer relay providing motor protection if operated on continuous blower or if units are "twinned"
  • 208/230v operation, convertible for 115v
  • Model is propane convertible
  • Attractive baked enamel finish for durability.


Installation Accessory - 2TC03700124 Twinning Kit035-14572-000-A-0800.pdf536
Installation Accessory - 1PS0301, 1PS0311 High Altitude Application Conversion035-14446-001-B-0706.pdf103
Installation Accessory - S1-37327818001 Ignition Module includes Module # W/R 50R47-843035-21386-001-B-0115.PDF58
Installation Accessory - 1BR0314-317, 321, 324 and 332 Bottom Mount Filter Frame Accessory650.75-N2.5V-1198.pdf44
Installation Accessory - S1-33102956000 Ignition Control035-22285-002-B-0914.PDF81
Installation Accessory - Burner Alignment Bracket for use with All 33" Gas Furnaces826018-uai-a-1111.pdf106
Installation Accessory - S1-37327813001 Furnace Label Kit341248-UAI-A-0707.pdf11
Installation Accessory - 1SR0402 Filter Frame430731-UAI-A-0908.pdf38
Installation Accessory - 1SR0200 Filter Frame1135041-UAI-B-0616.PDF45
Installation Accessory - 1SR0200, 1BR0114, 1BR0214, 1BR0117, 1BR0217, 1BR0121, 1BR0221, 1BR0124, & 1BR0224 Filter Rack Kits171002-UAI-B-0514.PDF49
Installation Accessory - 1NP0347 Propane Conversion - Induced Combustion Furnaces1065603-UAI-C-1015.PDF219
Installation Accessory - 1BR0514/614, 1BR0517/617, 1BR0521/621 & 1BR0524/624 External Bottom Mount Filter Frame Accessory506177-UAI-B-0817.PDF37
Installation Accessory - S1-32926889000 STAINLESS STEEL PROPANE LP BURNER KIT035-24610-001-A-0416.PDF65
Installation Accessory - S1-32924441000 STAINLESS STEEL NATURAL GAS BURNER KIT035-21367-001-B-0412.PDF12
Installation Manual - GY8S160E30UH21 Commercial Belt Drive Series Single Stage Upflow/Horizontal High Efficiency Gas Furnace272441-UIM-E-0513.PDF811
Repair Parts - GY8S-UH 80% AFUE Belt Driven Natural Gas Furnaces "Style A & B"035-20706-001-D-0906.pdf176
Repair Parts - GY8S-UH 80% AFUE Belt-Driven Natural Gas Furnaces "Style C & D"035-21277-001-F-0912.PDF161
Technical Guide - GY8S160E30UH21 Commercial Belt Drive Series Single Stage Upflow/Horizontal High Efficiency Gas Furnace286125-btg-b-1211.pdf130
User Manual - GY8S160E30UH21 Commercial Belt Drive Series Single Stage Upflow/Horizontal High Efficiency Gas Furnace272442-uum-b-1211.pdf510
Unitary Commerical Product Talking Points70010
Fraser-Johnston Commercial Guide Specs73650
Submittal Data Sheet - GY8S160E30UH21 Induced Draft Mid-Efficiency Upflow / Horizontal Gas Furnaces286171-bsd-c-1211.pdf68