Replacement Heatilator LP Orifice (4021-426)
Heatilator Threaded Orifice (.053) LP (4021-426)
Model Compatibility
Fits These Models
Manuals & Documents
Manuals for the Direct Vent Series, Eclipse 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
Heatilator Novus nXt & Evolution Control Module Plate (4055-899)
SKU 4055-899
Fits Novus Evolution Series, Novus nXt Series
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
Heat N Glo, Heatialtor & Quadra-Fire Burner Orifice #43C – NG (SRV582-843)
SKU SRV582-843
Fits Direct Vent Series, Heirloom DV Series, Novus Evolution Series, Novus Series
Heat N Glo & Heatilator Horizontal Trapezoid Termination with Short Flue (SLP-TRAP1)
SKU SLP-TRAP1
Fits Aveo Series, Caliber nXt Series, Ion Series, Novus Evolution Series +2 more
HHT Junction Box Cover Plate (SRV4031-222)
SKU SRV4031-222
Fits Aveo Series, Caliber Series, Eclipse Series, Novus Evolution Series +4 more
Heatilator NEVO4236I Porcelain Liner (4065-113)
SKU 4065-113
Fits Novus Evolution Series
Heat N Glo & Heatilator Horizontal High Performance Termination Cap (DVP-HPC2)
SKU DVP-HPC2
Fits Caliber Series, Corner Series, Icon Series, Novus Evolution Series +4 more