Replacement Parts List

ManualsBrandsReznor ManualsUDAS Separated Combustion HeatersUDAS-175 Direct Vented Separated Combustion Gas Fired Unit Heater w/ Horizontal Roof Vent Kit - 175,000 BTU

Form P-UD, P/N 270285R4, Page 9

Motors that don’t list a contactor require a starter. If a contactor is listed, starter is optional.

MOTOR Mfr Reznor

Volt ph FLA Frame Shaft

Service Power

Efciency

OVERLOAD STARTER CONTACTOR

Type HP Model No. P/N Factor Factor min max GE # P/N GE # P/N GE # P/N

Open 3 AOS-H845 159185 240 3 8.6 P56Z 7/8 1.15 8.00 12.00 RTA1-N 151193 CL00A310T-S 151147 42AF35AG 119627

Open 3 AOS-H845 159185 480 3 4.3 P56Z 7/8 1.15 4.00 6.30 RTA1-L 151191 CL00A310T-J 151146 42AF35AF 119626

Open 3 AOS-H954 120019 575 3 3.6 N56Z 7/8 1.15 80.3 83.8% 2.50 4.10 RTA1-K 151190 CL00A310T-J 151146 - -

Open 5 AOS-196033J 113371 208 3 13.4 Y56HZ 7/8 1.15 87.2 85.0% 10.00 16.00 RTA1-P 151194 CL01A310T-L 151155 - -

Open 5 AOS-196033J 113371 240 3 13.2 Y56HZ 7/8 1.15 87.2 85.0% 10.00 16.00 RTA1-P 151194 CL01A310T-S 151152 - -

Open 5 AOS-196033J 113371 480 3 6.6 Y56HZ 7/8 1.15 87.2 85.0% 5.50 8.50 RTA1-M 151192 CL00A310T-J 151146 - -

Open 5 AOS-H956 120020 575 3 5.4 Y56HZ 7/8 1.15 85.9 85.3% 4.00 6.30 RTA1-L 151191 CL00A310T-J 151146 - -

TEFC 1/4 USMTR T14CA2J9 16074* 120 1 6.5 H56 5/8 1 5.50 8.50 RTA1-M 151190 CL00A310T-J 151146 42AF35AF 119626

TEFC 1/4 USMTR T14CA2J9 16074* 208 1 2.8 H56 5/8 1.35 2.50 4.10 RTA1-K 151190 CL00A310T-L 151150 42AF35AG 119627

TEFC 1/4 USMTR T14CA2J9 16074* 240 1 3.2 H56 5/8 1.35 2.50 4.10 RTA1-K 151190 CL00A310T-S 151147 42AF35AG 119627

TEFC 1/4 USMTR T14S2A 271443** 208 3 1.1 56 5/8 1 61.9 72.1% 1.00 1.90 RTA1-G 151187 CL00A310T-L 151150 42AF35AG 119627

TEFC 1/4 USMTR T14S2A 271443** 240 3 1.1 56 5/8 1 61.9 72.1% 1.00 1.50 RTA1-G 151187 CL00A310T-S 151147 42AF35AG 119627

TEFC 1/4 USMTR T14S2A 271443** 480 3 0.5 56 5/8 1 61.9 72.1% 0.40 0.65 RTA1-D 151184 CL00A310T-J 151146 42AF35AF 119626

TEFC 1/3 AOS-906L 115861 120 1 4.6 N48 1/2 1 68.5 72.1% 4.00 6.30 RTA1-L 151191 CL00A310T-J 151146 42AF35AF 119626

TEFC 1/3 AOS-C151 159501 208 1 2.3 N48 1/2 1 67.2 69.5% 1.80 2.70 RTA1-J 151189 CL00A310T-L 151150 42AF35AG 119627

TEFC 1/3 AOS-C151 159501 240 1 2.4 N48 1/2 1 67.2 69.5% 1.80 2.70 RTA1-J 151189 CL00A310T-S 151147 42AF35AG 119627

TEFC 1/3 AOS-H261 105567 208 3 1.2 L48 1/2 1.15 79.5% 1.00 1.50 RTA1-G 151187 CL00A310T-L 151150 - -

TEFC 1/3 AOS-H261 105567 240 3 1.2 L48 1/2 1.15 79.5% 1.00 1.50 RTA1-G 151187 CL00A310T-S 151147 - -

TEFC 1/3 AOS-H261 105567 480 3 0.6 L48 1/2 1.15 79.5% 0.40 0.65 RTA1-D 151184 CL00A310T-J 151146 - -

TEFC 1/2 AOS-C613 159184

120 1 7.2 J56 5/8 1.15 5.50 8.50 RTA1-M 151192 CL00A310T-J 151146 42AF35AF 119626

TEFC 1/2 AOS-C613 159184 208 1 3.5 J56 5/8 1.15 2.50 4.10 RTA1-K 151190 CL00A310T-L 151150 42AF35AG 119627

TEFC 1/2 AOS-C613 159184 240 1 3.6 J56 5/8 1.15 2.50 4.10 RTA1-K 151190 CL00A310T-S 151147 42AF35AG 119627

TEFC 1/2 AOS-H274 16077 208 3 2.3 H56 5/8 1 59.5 74.8% 1.80 2.70 RTA1-J 151189 CL00A310T-L 151150 42AF35AG 119627

TEFC 1/2 AOS-H274 16077 240 3 2.0 H56 5/8 1 59.5 74.8% 1.80 2.70 RTA1-J 151189 CL00A310T-S 151147 42AF35AG 119627

TEFC 1/2 AOS-H274 16077 480 3 1.0 H56 5/8 1 59.5 74.8% 0.65 1.10 RTA1-F 151186 CL00A310T-J 151146 42AF35AF 119626

TEFC 1/2 AOS-H276 105568 575 3 0.7 J56 5/8 1.15 76.4 77.0% 0.65 1.10 RTA1-F 151186 CL00A310T-J 151146 - -

TEFC 3/4 AOS-F353 115860 120 1 11.0 F56 5/8 1 66 65.7% 10.00 16.00 RTA1-P 151194 CL01A310T-J 151151 42AF35AF 119626

TEFC 3/4 AOS-F353 115860 208 1 5.4 F56 5/8 1 66 65.7% 4.00 6.30 RTA1-L 151191 CL00A310T-L 151150 42AF35AG 119627

TEFC 3/4 AOS-F353 115860 240 1 5.5 F56 5/8 1 66 65.7% 4.00 6.30 RTA1-L 151191 CL00A310T-S 151147 42AF35AG 119627

TEFC 3/4 AOS-H580 20371 208 3 2.0 KA56 5/8 1 73.5 81.1% 1.80 2.70 RTA1-J 151189 CL00A310T-L 151150 42AF35AG 119627

TEFC 3/4 AOS-H580 20371 240 3 2.2 KA56 5/8 1 73.5 81.1% 1.80 2.70 RTA1-J 151189 CL00A310T-S 151147 42AF35AG 119627

TEFC 3/4 AOS- H580 20371 480 3 1.1 KA56 5/8 1 73.5 81.1% 1.00 1.50 RTA1-G 151187 CL00A310T-J 151146 42AF35AF 119626

TEFC 3/4 AOS-H461 105569 575 3 0.8 L56 5/8 1.15 78.3 82.0% 0.65 1.10 RTA1-F 151186 CL00A310T-J 151146 - -

TEFC 1 AOS-159105 174993 120 1 12.0 L56 5/8 1.15 74.3 70.6% 10.00 16.00 RTA1-P 151194 CL01A310T-J 151151 42AF35AF 119626

TEFC 1 AOS-159105 174993 208 1 6.2 L56 5/8 1.15 74.3 70.6% 5.50 8.50 RTA1-M 151192 CL00A310T-L 151150 42AF35AG 119627

TEFC 1 AOS-159105 174993 240 1 6.0 L56 5/8 1.15 74.3 70.6% 5.50 8.50 RTA1-M 151192 CL00A310T-S 151147 42AF35AG 119627

TEFC 1 WEG-00118E 271444** 208 3 3.3 D56 5/8 1 74.4 80.2% 2.50 4.10 RTA1-K 151190 CL00A310T-L 151150 42AF35AG 119627

TEFC 1 WEG-00118E 271444** 240 3 3.1 D56 5/8 1 74.4 80.2% 2.50 4.10 RTA1-K 151190 CL00A310T-S 151147 42AF35AG 119627

TEFC 1 WEG-00118E 271444** 480 3 1.6 D56 5/8 1 74.4 80.2% 1.30 1.90 RTA1-H 151188 CL00A310T-J 151146 42AF35AF 119626

TEFC 1 AOS-H525 105570 575 3 1.4 56 5/8 1.15

71.6 80.4% 1.00 1.50 RTA1-G 151187 CL00A310T-J 151146 - -

TEFC 1.5 AOS-C686 94347 120 1 16.4 TK56H 5/8 14.50 18.00 RTA1-S 151196 CL02A310T-J 151156 42AF35AF 119626

TEFC 1.5 AOS-C686 94347 208 1 9.5 TK56H 5/8 8.00 12.00 RTA1-N 151193 CL00A310T-L 151150 42AF35AG 119627

TEFC 1.5 AOS-C686 94347 240 1 8.2 TK56H 5/8 8.00 12.00 RTA1-N 151193 CL00A310T-S 151147 42AF35AG 119627

TEFC 1.5 WEG-00158E 271445** 208 3 4.3 D56 5/8 1 80.9 82.4% 4.00 6.30 RTA1-L 151191 CL00A310T-L 151150 42AF35AG 119627

TEFC 1.5 WEG-00158E 271445** 240 3 4.4 D56 5/8 1 80.9 82.4% 4.00 6.30 RTA1-L 151191 CL00A310T-S 151147 42AF35AG 119627

TEFC 1.5 WEG-00158E 271445** 480 3 2.2 D56 5/8 1 80.9 82.4% 1.80 2.70 RTA1-J 151189 CL00A310T-J 151146 42AF35AF 119626

TEFC 1.5 AOS-T59027 105665 575 3 1.7 145T 7/8 1.15 85.7 84.0% 1.30 1.90 RTA1-H 151188 CL00A310T-J 151146 - -

TEFC 2 L3516M 205881 230 1 8.3 56HZ 7/8 1.15 99 78.0% 5.50 8.50 RTA1-M 151192 CL00A310T-I 151147 42AF35AG 119627

TEFC 2 WEST-NP0024 158165 208 3 7.6 145T 7/8 1.15 77.5 84.0% 5.50 8.50 RTA1-M 151192 CL00A310T-L 151150 - -

TEFC 2 WEST-NP0024 158165 240 3 5.6 145T 7/8 1.15 77.5 84.0% 4.00 6.30 RTA1-L 151191 CL00A310T-S 151147 - -

TEFC 2 WEST-NP0024 158165 480 3 2.8 145T 7/8 1.15 77.5 84.0% 2.50 4.10 RTA1-K 151190 CL00A310T-J 151146 - -

TEFC 2 AOS-T59028 158166 575 3 2.2 145T 7/8 1.15 77.5 84.0% 1.80 2.70 RTA1-J 151189 CL00A310T-J 151146 - -

TEFC 3 M3559T 159330 208 3 7.7 145T 7/8 1.15 85.5 85.5% 5.50 8.50 RTA1-M 151192 CL00A310T-L 151150 - -

TEFC 3 M3559T 159330 240 3 7.0 145T 7/8 1.15 85.5 85.5% 5.50 8.50 RTA1-M 151192 CL00A310T-S 151147 - -

TEFC 3 M3559T 159330 480 3 3.5 145T 7/8 1.15 85.5 85.5% 2.50 4.10 RTA1-K 151190 CL00A310T-J 151146 - -

TEFC 3 B-EM3559T-5 111571 575 3 2.8 145T 7/8 1.15 85.5 85.5% 2.50 4.10 RTA1-K 151190 CL00A310T-J 151146 - -

TEFC Motor Replacement Notes:

*Shaft Size Change

* TEFC 1/4 HP, 120/1 phase - Replacement motor shaft size is 5/8” (original AOS motor was 1/2”).

**Starter Required

**TEFC 1/4 HP, 208/230/480/3 phase - Replacement Motor P/N 271443 requires a starter; consult the factory providing wiring

diagram or serial number to determine appropriate starter and overload.

**TEFC 1 HP, 208/230/480/3 phase - Replacement Motor P/N 271444 requires a starter; consult the factory providing wiring

diagram or serial number to determine appropriate starter and overload.

**TEFC 1.5 HP, 208/230/480/3 phase - Replacement Motor P/N 271445 requires a starter; consult the factory providing wiring

diagram or serial number to determine appropriate starter and overload.