Heat N Glo & Heatilator Thermodisc High Limit Part #SRV4021-383 Thermosdisc for Gas Units

HHT replacement thermodisc for gas units Heatilator Gas Fireplaces: EZ & EZL EZE & EZEL G112HAE & G112HALE G360SE & G360SLE G520CLE & G520CLLE G520CRE & G520CRLE GBCL36 After serial GA1549727 GBCL36E GBCL36I GBCR36 After serial GA1549727 GBCR36E GBCR36I GBFL36 After serial GA1549727 GBFL36E GBFL36I GBiS36E GBST36 GBST36L After serial GA1549727 GBST36E GBST36LE GBST36I & GBST36LI GC112E & GC112LE GC300FLE & GC300FLLE GC300STE & GC300STLE GC400SFE & GC400SFLE GC500CLE & GC500CLLE GC500CRE & GC500CRLE GC720E & GC720LE GC920E & GC920LE BCBV36 After serial GA1551065 BCBV36I After serial GA1551065 G136E & G136LE G340 & G340L G340E & G340LE G420 & G420L G420E & G420LE GC100AE & GC100ALE GC100E & GC100LE GC136 GC136L GC136E & GC136LE GC200E & GC200LE GC300E & GC300LE GC340 & GC340L GC340E GC340LE GC341 GC341L GC341E GC341LE GC361 GC361L GC361E GC361LE GC400E GC400LE GC420E GC420LE GC421E GC421LE GC1990E GC1990LE GC2000 GC2000L GC2000E GC2000LE GGBC36E GGBC36LE GGBC42E & GGBC42LE GGBR36E & GGBR36LE GGBR42E GGBR42LE NB3630 NB3630I NB3630M NB3630MI NB3933 NB3933I NB3933M NB3933MI NB4236 NB4236I NB4236M NB4236MI NB4842 NB4842I NB4842M NB4842MI NBV3630 NBV3630I NBV3933 NBV3933I NBV4236 NBV4236I NBV4842 NBV4842I RBV4236IT & RBV4236IH RBV4842IT & RBV4842IH HNG Gas Fireplaces: L-COR-TVFL PIER-DVT - HSI only PIER-GDV - HSI only PIER-TV & PIER-TV-DSI PIER-TVFL PIER-TVFL-DSI PIER-TVFL-IPI R-CORNERTV & R-CORNERTV-DSI ST-42GTV NG Pre serial 114437 LP Pre serial 1662 ST-42TVFL ST-42TVFL-DSI ST-42TVFL-IPI ST-DVT HSI only ST-GDV HSI only 36DV88 4000GDV NG Pre serial 19359 - LP Pre serial 2955 4000TV NG Pre serial 8029 - LP Pre serial 6558 5000TV 6000CBV-IPI 6000DVT Pre Sept. 1994 6000GBV 6000GBV-IPI 6000GDV - NG Pre serial 65681 - L6000TV & 6000TV-HSI - Pre serial 38341 6000TVB 6000TVB-DSI 6000TVFL & 6000TVFL-NF 6000TV-OAK 6000TV-OAK-IPI 6000PLUS 7000TV-NF 8000