Replacement natural gas (NG) burner orifice #43C for Heat N Glo, Heatialtor, Outdoor Lifestyles and Quadra-Fire gas fireplaces. OEM HHT part # SRV582-843
Heat N Glo, Heatialtor & Quadra-Fire Burner Orifice #43C – NG (SRV582-843)

Model Compatibility
Manuals & Documents
Manuals for the Direct Vent Series, Heirloom DV Series, Novus Evolution Series and other models this part fits are being added to our manuals library. Need one now? Ask us or call 406-272-9850.
Before you order
This part is listed for 4 models (see Fits These Models above). Check the model name and serial number on your appliance’s rating label and make sure they match — Heatilator built many models in more than one version (and gas models for natural gas or propane), and some parts changed between versions.
Not sure it’s the right part? Call 406-272-9850 or send us your model and serial number and we’ll confirm it before you order. Or browse all Heatilator Gas Valves & Controls.
More parts for the Heatilator Novus Evolution Series

Heat N Glo, Heatilator & Quadra-Fire Orifice #54C – LP (SRV582-854)
SKU SRV582-854
Fits Caliber Series, Direct Vent Series, Eclipse Series, Novus Evolution Series +1 more

HHT Flex Ball Valve Assembly – 12″ (SRV302-320)
SKU SRV302-320
Fits Aveo Series, Aztec Series, B Vent Series, Caliber nXt Series +18 more

Heatilator Valve Bracket (4055-205)
SKU 4055-205
Fits Novus Evolution Series, Novus nXt Series, Novus Series
Heatilator Novus nXt & Evolution Control Module Plate (4055-899)
SKU 4055-899
Fits Novus Evolution Series, Novus nXt Series

Heatilator Novus Series Exhaust Baffle (2382-129)
SKU 2382-129
Fits Novus Evolution Series, Novus Series

Heatilator Intake Cover Plate (2166-450)
SKU 2166-450
Fits Novus Evolution Series, Novus nXt Series, Novus Series
HHT PVLP-SLP Wire Harness (PVMW100)
SKU PVMW100
Fits Caliber nXt Series, Caliber Series, Caliber X Series, Corner Series +9 more

Heatilator Novus Series Front Log (SRV27112)
SKU SRV27112
Fits Novus Evolution Series, Novus Series