GAS FURNACES UGFD-SERIES - ACHIEVER 90 PLUS 90 Plus Modulating Upflow Gas Furnace - Specification Sheet

Oct 23, 2026

Uploaded by Noah

UGFD-series Achiever 90 Plus high-efficiency modulating upflow gas furnaces are designed for utility rooms, closets, or alcoves, with a low-profile 34-inch height for vertical installation in applications typically requiring a horizontal furnace. Certified by CSA, they use all-stainless-steel heat exchangers and offer modulating, two-stage, or multistage operation modes. Features include ECM2+ motor, constant temperature rise, LED diagnostics, spark ignition, multiple pressure/limit controls, optional combustion air, and optional accessories for cooling coils and plenums. Model UGFD-06EMCK through UGFD-12ERCM are specified with detailed input/output capacities, airflow, pressures, temperature rise, electrical ratings, filter sizes, and shipping weights, with conversion notes for L.P. operation and a mobile home warning.

LanguageEnglish

CategoryHealthcare

FormatPDF

Pages8

Reading Time20 min

AccessFree to download

Features

Standard equipment

Optional equipment

Physical data and specifications—upflow models U.S. and Canadian models

FORM NO. G22-468 REV. 4 Supersedes Form No. G22-468 Rev. 3 GAS FURNACES UGFD-SERIES Models with Input Rates from 60,000 to 120,000 BTU/HR [17.58 to 35.16 kW] (All Models 92% A. F. U. E.† or Above) ACHIEVER® 90 PLUS® MODULATING UPFLOW GAS FURNACES WITH CONTOURTM COMFORT CONTROL The Ruud® Achiever 90 Plus High Efficiency line of upflow gas furnaces are designed for utility rooms, closets, or alcoves. Because of the low-profile 34 inch height, the UGFDmodel can be used vertically to satisfy most applications that traditionally call for a horizontal furnace. The design is certified by CSA. Features ■ Heat exchanger is constructed of all stainless steel for maximum corrosion resistance and thermal fatigue reliability. ■ Modulating Function: when used with a modulating thermostat, modulation rate between 40% and 100% of total capacity. ■ Two-stage Function: when used with a two-stage thermostat, furnace operates at 40% on low-fire, and stages up to 65%, then 100% for high fire. ■ Multistage Function: when used with a single-stage thermostat, furnace operates at 40%, 65% and 100% of total capacity. ■ Reduced firing rates, electrically efficient ECM2+ motor, and solid doors provide the ultimate in quiet operation. ■ Low speed constant fan. ■ Constant temperature rise for superior comfort. ■ Seven segment LED for system diagnostics. ■ Diagnostic history for troubleshooting. ■ Two-speed induced draft motor. ■ Direct spark ignition with remote sense. ■ Top electrical connections, left or right gas and condensate drainage connections on downflow models. ■ Optional indoor or outdoor combustion air. A variety of cooling coils and plenums designed to use with the Achiever 90 Plus gas furnaces are available as optional accessories. ✝A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with Department of Energy test procedures. ACHIEVER 90 PLUS HIGH EFFICIENCY MODULATING UPFLOW GAS FURNACE REMOTE SENSOR IN-SHOT BURNERS DIRECT SPARK IGNITION PRIMARY AND SECONDARY HEAT EXCHANGER GAS VALVE PRESSURE SWITCHES IGNITION CONTROL INTEGRATED FURNACE CONTROL BLOWER ASSEMBLY WITH ECM MOTOR DRAFT INDUCER STANDARD EQUIPMENT Completely assembled and wired; heat exchanger; primary: 409 and aluminized 409 stainless steel, secondary: 29-4C stainless steel; induced draft; pressure switches; redundant modulating main gas control; blower compartment door safety switch; solid state time on/off blower control; limit controls; manual shutoff valve; 100% safety lock out; cool fan off delay; one hour automatic retry; power and self-test diagnostics; flame sense current diagnostics; electronic air cleaner connections; humidifier connections; humidifier on/off delay; low speed continuous fan option; transformer; direct drive, ECM variable speed blower motor. (Please note: a thermostat is not included as standard equipment. See “Accessories”) OPTIONAL EQUIPMENT Side and bottom filter racks; return air cabinet for all sizes. NOTE: Furnace is not listed for use with fuels other than natural or L. P. (propane) gas. All models can be converted by a qualified distributor or local service dealer to use L. P. (propane) gas without changing burners. Factory approved kits must be used to convert from natural to L. P. (propane) gas and may be ordered as optional accessories from a parts distributor. For L. P. (propane) operation, refer to Conversion Kit Index Form. WARNING THIS FURNACE IS NOT APPROVED OR RECOMMENDED FOR USE IN MOBILE HOMES 2 Ruud Air Conditioning Division BEFORE PURCHASING THIS APPLIANCE, READ IMPORTANT ENERGY COST AND EFFICIENCY INFORMATION AVAILABLE FROM YOUR RETAILER. PHYSICAL DATA AND SPECIFICATIONS—UPFLOW MODELS U.S. and Canadian Models | MODEL NUMBERS | UGFD-06EMCK | UGFD-07EMCK | UGFD-09EZCM | UGFD-10EZCM | UGFD-12ERCM | | --- | --- | --- | --- | --- | --- | | INPUT–MAXIMUM (BTU/HR) [kW] | 60,000 [17 .58] | 75,000 [21 .98] | 90,000 [26 .3

FAQs

What heating and input rate range do the UGFD-Series Achiever 90 Plus furnaces cover?

The UGFD series includes models with input rates from 60,000 to 120,000 BTU/HR and heating capacities corresponding to each model’s specified maximum and minimum values.

What operating modes are supported?

Depending on thermostat use, the furnace supports modulating operation (40%–100%), two-stage operation (40% low-fire up to 65% then 100% high-fire), or multistage operation with a single-stage thermostat (40%, 65%, and 100%).

Can the furnace be converted to use propane (L.P.) gas?

All models can be converted by a qualified distributor or local service dealer to use L.P. without changing burners. Factory approved conversion kits must be used for the natural-to-L.P. conversion.

Oct 23, 2026

Uploaded by Noah