Gas Furnaces

40 - 130 MBH

80% AFUE

Heat Exchanger - 20 Years
Other parts - 10-Year Limited*

80% Single-Stage PSC NG33 Gas Furnace (TG8S)

These compact units employ induced combustion, reliable hot surface ignition and high heat transfer aluminized tubular heat exchangers. The units are factory shipped for installation in upflow or horizontal applications and may be converted for downflow applications.

These furnaces are designed for residential installation in a basement, closet, alcove, attic, recreation room or garage and are also ideal for commercial applications. All units are factory assembled, wired and tested to assure safe dependable and economical installation and operation.

These units are Category I listed and may be common vented with another gas appliance as allowed by the National Fuel Gas Code.

Special Benefits
  • Compact 33” Height and Standard Cabinet Widths
  • Multi-Position Design With Minimal Conversion Requirements
  • Airflow Leakage Rate of Less Than 1% of Total Airflow @ 1” ESP
  • PSC Four-Speed Direct Drive Motor with Large, Quiet Blower
  • Fully-Supported, Slide-Out Blower Assembly for Easy Service Access
  • Tubular Aluminized Steel Primary Heat Exchanger
  • High-Level Self-Diagnostic Controls With Fault Codes
  • Sharp Edges Have Been Eliminated By Folding and Flattening the Sheet Metal
  • Fully-Gasketed, Independent Access Doors With View Ports
  • All Models Are Propane Convertible
  • Lo-Nox Models Meet Specific Code Requirements

*Must be installed on or after May 1st, 2009, and registered online within 90 days of installation. Otherwise, the warranty reverts to the standard warranty as published in the product warranty certificate. This warranty does not apply to R-22 or 3-phase models.

Publications and Manuals
DescriptionPart NumberFile Size
Consumer Brochures
Consumer Brochure - TG8S Latitude™ Series Furnace %80 AFUE PUBL-6235-A-0909597 KB
Tech Guides
Technical Guide - TG8S/TGLS Single Stage Multi-Position Standard and Low NOx Gas Fired Furnaces 363657-YTG-E-0210149 KB
Installation Instructions
Installation Manual - TG8S*MP, TGLS*MP, GG8S*MP, GGLS*MP Single Stage Multi-Position Low NOx 33" Gas Furnaces 356485-UIM-E-02102311 KB
Accessory Installation Instructions
Guide d' Installations - S1-1CT0302-636/S1-1CT0303-636 Terminaison D'Event Concentrique 435695-UAIF-A-110871 KB
Installation Accessory - 1BR0514/614, 1BR0517/617, 1BR0521/621 & 1BR0524/624 External Bottom Mount Filter Frame Acessory 506177-UAI-A-030937 KB
Installation Accessory - 1NP0347 Propane Conversion - Induced Combustion Furnaces 247585-UAI-F-0210219 KB
Installation Accessory - 1NP0501 Propane Conversion Kit for Induced Combustion Furnaces 412326-UAI-B-0210158 KB
Installation Accessory - 1PS3301, 1PS3302, 1PS3306 & 1PS0037 High Altitude Application Conversion 035-22079-001-D-011025 KB
Installation Accessory - 1SR0402 Filter Frame 430731-UAI-A-090838 KB
Installation Accessory - S1-33102956000 Ignition Control 035-22285-001-A-050981 KB
Installation Accessory - S1-37327813001 Furnace Label Kit 341248-UAI-A-070711 KB
Installation Accessory - S1-37327905001 thru S1-37327905006 (2 Cell thru 7 Cell) 33" Burner Box Kits for all 33" Gas Furnaces 533818-UAI-B-021099 KB
Submittal Drawings
Submittal Data Sheet - TG8S/TGLS 80% AFUE Single-Stage Multi-Position 33" Gas Furnaces 363671-USD-D-110888 KB
Repair Parts
Repair Parts - TG8S/TGLS Series 80% Single Stage 33" Natural Gas Furnace, Multi-Position "Style A" 035-21389-001-K-0410695 KB
User Manuals
User Manual - All Residential Multi-Position 33" Gas Furnaces 356486-UUM-I-08092386 KB
Quick Reference Guide - 80% AFUE Single Stage Multi-Position 33" Gas Furnaces 530287-URG-A-0609295 KB