Replacement NG (Natural Gas) threaded orifice for Heatilator gas fireplaces. OEM HHT part # SRV4021-200
Heatilator Caliber Series Threaded NG Orifice – .101 (SRV4021-200)

Model Compatibility
Fits These Models
Manuals & Documents
Manuals for the Caliber Series 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 the Heatilator Caliber Series. 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 Caliber Series

HHT Regulator with Stepper Motor – LP (SRVLPK-DXV-50)
SKU SRVLPK-DXV-50
Fits Caliber nXt Series, Caliber Series, Caliber X Series, Crave Series +6 more
Heat N Glo, Heatilator & Majestic Flex Ball Valve Assembly (SRV303-330)
SKU SRV303-330
Fits Caliber Series, Caliber X Series

Heatilator Valve Bracket (19303)
SKU 19303
Fits Caliber Series, Maxus Series

Heatilator Burner Orifice – NG (SRV17235)
SKU SRV17235
Fits B Vent Series, Caliber nXt Series, Caliber Series, Direct Vent Series +4 more

Heatilator Conversion Kit – NG (DCKVN)
SKU DCKVN
Fits Caliber Series, Geneva Series, Icon Series, Novus Plus +2 more
Heatilator Caliber Series Refractory – Left (SRV2210-721)
SKU SRV2210-721
Fits Caliber Series
Heat N Glo, Heatilator & Outdoor Lifestyles Clear Glass Rocks (MEDIA-CLEAR)
SKU MEDIA-CLEAR
Fits Caliber Series
Heatilator & Majestic Burner Skirt (SRV2208-102-BK)
SKU SRV2208-102-BK
Fits Caliber nXt Series, Caliber Series