Replacement 300 CE AUX module with cable for Heat N Glo gas fireplaces. Fits the following models:

Heat N Glo Gas Fireplaces:

• 550TRSI-AUF- Pre serial # 0023019789 must also order jumper wire part # 2166-375
• I30X-AU
• RED40-N-AU
• ST-HVBI-AUB - Pre serial # 0023019789 must also order jumper wire part # 2222-375
• VRTIKL-AUB
• XLR-PLUS-AU - Pre serial # 0023019789 must also order jumper wire part # 2166-375
• 350TRSI-AUF
• 350TRSILP-AUF
• 350X-AU
• 550X-AU
• 6KX-AU
• 6TRSI-AUD
• 6TRSILP-AUD
• 6X-AU
• COSMO-I30AU
• I25X-N-AU
• I30X-N-AU
• I30X-P-AU
• I35X-N-AU
• MEZZO-1000-AU
• MEZZO-1300-AU
• MEZZO-1300ST-AU
• MEZZO-1600-AU
• MEZZO1000-AUB
• MEZZO1300-AUB
• MEZZO1300ST-AUB
• MEZZO1600-AUB
• RED40ST-N-AU
• SL350TRSI-N-CE
• SL350TRSI-PB-CE
• SLR-X-AU
• SLR-X-AU-L
• ST-HVBILP-AUB
• SUPREME-I30-NZ
• SUPREME-N-I30AU
• SUPREME-P-I30AU
• VRT-BK-N-AUB
• VRT-BZ-N-AUB
• VRT-BZ-P-AUB
• VRT-GY-N-AUB
• VRT-GY-P-AUB
• XLR-PLUS-N-AU
• XLR-PLUS-N-AUB
• XLR-PLUS-PB-AU
• XLR-PLUS-PB-AUB
• MEZZO60
• MEZZO60-B
• MEZZO60ST
• MEZZO60ST-B
• MEZZO72
• MEZZO72-B
• MEZZO72ST
• MEZZO72ST-B
• PRIMO48
• PRIMO48ST
• PRIMO60
• PRIMO60ST
• PRIMO72ST
• SL-3X
• SL-5X
• SL-5XLP
• SL-7X
• SL-7XLP
• SL-9X
• TRUE-36C
• TRUE-36H
• TRUE-36S
• TRUE-42C
• TRUE-42H
• TRUE-42S
• TRUE-50C
• TRUE-50H
• TRUE-50S

Heat N Glo part # 2166-340
OEM HHT part

May fit other models, please check your owner's manual for part number compatibility.