Replacement rheostat assembly for Quadra-Fire, Heatilator and Heat N Glo gas stoves, fireplaces and inserts. Fits NG and LP units. Rheostat knob (100-512) sold separately. Fits the following models:

Quadra-Fire Gas Fireplaces:

• I30SE-LC & I30SE (AFFINITY)
• QVI25
• QVI30
• QVI30S
• QVI-30FB
• QVI-30FB-S
• QVI35
• QVI35S
• QVI-35FB-S

Heat N Glo Gas Fireplaces:

• COSMO-GXT-IPI
• COSMO-SXT-IPI
• GRAND-XT
• GRAND-XTS
• SUPREME-XT
• SUPREME-XTS
• ZC-XT
• SL-750TRSFHHIPI
• 4000INC
• 4000INS
• AT-GRAND
• AT-ZC
• SL-INSERT-B
• 6000TRXI
• 6000TRXI-IPI
• GEM-36
• GEM-42
• MISSION-BAY
• PALOMA
• PALOMA-MOD
• TIARA I-B
• TIARA I-AL-C
• TIARA I-C
• TIARA II-B
• TIARAII-AL-C

Heatilator Gas Fireplaces:

• ADI60
• ADI60S

HHT part # SRV100-510A
Replaces old part numbers 100-510A & 319-510A
OEM HHT part

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