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AHRI Ratings for Condensing Units with HX Fan Coils

NOTICE:  First Company will not be publishing Compatibility Letters in 2024.  All approved system combinations are posted in the AHRI Directory, which is updated on a regular basis.  Thank you!

Allied                                4A17L18P Series

4AC17L18P with 19HX Fan Coil   AHRI

4AC17L24P with 24HX Fan Coil   AHRI

4AC17L30P with 31HX Fan Coil   AHRI 

4AC17L36P with 37HX Fan Coil   AHRI 

Amana                                   ASXN4 Series

ASXN4018 with 19HX Fan Coil   AHRI 

ASXN4024 with 24HX Fan Coil   AHRI 

ASXN4024 thru 36 with HX Fan Coils 

Amana                                   ASXH5 Series

ASXH5018 with 19HX Fan Coil   AHRI 

ASXH5024 with 24HX Fan Coil   AHRI 

ASXH5024 thru 36 with HX Fan Coils 

American Standard    4A7A4 and 5 Series

4A7A4018 with 19HX Fan Coils   AHRI 

4A7A4024 with 24HX Fan Coils   AHRI 

4A7A4024 thru 36HX Fan Coils   Letter

4A7A5018 with 19HX Fan Coils   AHRI 

4A7A5024 with 24HX Fan Coils   AHRI 

4A7A5024 thru 36HX Fan Coils   Letter

Grandaire                               W4A5S Series

WA4A5S18 with 19HX Fan Coil   AHRI

WA4A5S24 with 24HX Fan Coil   AHRI

WA4A5S30 with 31HX Fan Coil   AHRI

WA4A5S36 with 37HX Fan Coil   AHRI

ICP Brands                             N4A5S Series
Comfortmaker, Heil & Tempstar Brands

N4A5S18 with 19HX Fan Coil        AHRI

N4A5S24 with 24HX Fan Coil        AHRI

N4A5S30 with 31HX Fan Coil        AHRI

N4A5S36 with 37HX Fan Coil        AHRI

Lennox                               EL17XC1 Series

EL17XC1-018 with 19HX Fan Coil   AHRI

EL17XC1-024 with 24HX Fan Coil   AHRI

EL17XC1-030 with 31HX Fan Coil   AHRI

EL17XC1-036 with 37HX Fan Coil   AHRI

Lennox                               ML17XC1 Series

ML17XC1-018 with 19HX Fan Coil   AHRI

ML17XC1-024 with 24HX Fan Coil   AHRI

ML17XC1-030 with 31HX Fan Coil   AHRI

ML17XC1-036 with 37HX Fan Coil   AHRI

Ameristar                               M4AC5 Series

M4AC5018 with 24HXX Fan Coil     AHRI

M4AC5024 with 24HXX Fan Coil     AHRI

M4AC5030 with 37HXX Fan Coil     AHRI

M4AC5036 No AHRI Rating Available

Payne                                PA5SAN4 Series

Payne PA5SAN418 with 19HX Fan Coil   AHRI

Payne PA5SAN424 with 24HX Fan Coil   AHRI

Payne PA5SAN430 thru 31HX Fan Coil   AHRI    

Payne PA5SAN436 with 37HX Fan Coil   AHRI    

Ammstrong                      4SCU17LE Series

 4SCU17LE118P with 19HX Fan Coil   AHRI

 4SCU17LE124P with 24HX Fan Coil   AHRI

 4SCU17LE124P thru 36 with HX Fan Coils

Bryant                                 GA4SAN Series

GA4SAN418 with 19HX Fan Coils   AHRI 

GA4SAN424 with 24HX Fan Coils   AHRI 

GA4SAN4024 thru 36HX Fan Coils

Bryant                                  115SAN Series

115SAN018 with 19HX Fan Coils   AHRI 

115SAN024 with 24HX Fan Coils   AHRI 

115SAN024 thru 36 with HX Fan Coils  

Rheem                                 RA14AZ Series

Rheem RA14AZ18 with 19HX Fan Coil Piston  AHRI

Rheem RA14AZ24 with 24HX Fan Coil Piston  AHRI

Rheem RA14AZ24 with 24HX Fan Coil TXV     AHRI

Rheem RA14AZ30 with 30HX Fan Coil Piston AHRI

Rheem RA14AZ36 with 37HX Fan Coil            AHRI

Ruud                                   RA14AZ Series

Ruud RA14AZ18 with 19HX Fan Coil             AHRI

Ruud RA14AZ24 with 24HX Fan Coil Piston  AHRI

 Ruud RA14AZ24 with 24HX Fan Coil TXV     AHRI

Ruud RA14AZ30 with 30HX Fan Coil Piston  AHRI

Ruud RA14AZ36 with 37HX Fan Coil             AHRI

Carrier        GA4SAN4 & 24SCA4 Series

GA5SAN418 with 19HX Fan Coil  AHRI

GA5SAN424 with 24HX Fan Coil  AHRI

GA5SAN424 thru 36 with HX Fan Coils

24SCA418 with 19HX Fan Coil   AHRI

24SCA424 with 24HX Fan Coil   AHRI

24SCA424 thru 36 with HX Fan Coils

Ducane                           4AC17L Series

4AC17L18P with 19HX Fan Coil  AHRI

4AC17L24P with 24HX Fan Coil  AHRI

TGM                                  CTV15CN Series

CTV15CN018 with 24HXX Fan Coil            AHRI

CTV15CN024 thru 36 Not AHRI Rated

Trane                                  4TTR5 Series

Trane 4TTR5018 with 19HX Fan Coil   AHRI

Trane 4TTR5024 with 24HX Fan Coil   AHRI

Trane 4TTR5030 with 31HX Fan Coil   AHRI

Trane 4TTR5036 with 37HX Fan Coil   AHRI

4AC17L30P thru 36 with HX Fan Coils

Durastar                      DRAC14A Series

DRAC14A18 with 19HX Fan Coil   AHRI 

DRAC14A24 with 24HX Fan Coil   AHRI 

DRAC14A30 thru 36 with HX Fan Coils

Goodman          GSXN, M and H Series

GSXN4018 with 19HX Fan Coil   AHRI

GSXN4024 with  24HX Fan Coil  AHRI

GSXN4030 with  31HX Fan Coil  AHRI

GSXN4030 with  37HX Fan Coil  AHRI

GSXM4018 with 19HX Fan Coils  AHRI

GSXM4024 with 24HX Fan Coils  AHRI

GSXM4030 with 30HX Fan Coil    AHRI

GSXM4036 with 37HX Fan Coil   AHRI

GSXH5018 with 19HX Fan Coil   AHRI

GSXH5024 with 24HX Fan Coil   AHRI

GSXH5030 with 30HX Fan Coil   AHRI

GSXH5036 with 37HX Fan Coil   AHRI

Weatherking                       WA14AZ Series 

WA14AZ18 with 19HX Fan Coil   AHRI 

WA14AZ24 with 24HX Fan Coil   AHRI 

WA14AZ30 with 31HX Fan Coil   AHRI

WA14AZ36 with 37HX Fan Coil   AHRI

York                                         YC2E Series 

YC2E18 with 19HX Fan Coil    AHRI    

YC2E24 with 24HX Fan Coil    AHRI    

YC2E30 with  31HX Fan Coil   AHRI

YC2E36 with   37HX Fan Coil   AHRI

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