Replacement flue gasket for Heatilator gas fireplaces. OEM HHT part # SRV4000-225
Heatilator Flue Gasket (SRV4000-225)
Model Compatibility
Fits These Models
Manuals & Documents
Manuals for the Novus nXt 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 Novus nXt 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 Gaskets.
More parts for the Heatilator Novus nXt Series

Heatilator Novus Series Seal Plate Assembly (2382-584)
SKU 2382-584
Fits Novus Evolution Series, Novus nXt Series, Novus Series

HHT Bulkhead Gasket (SRV4021-429)
SKU SRV4021-429
Fits Aveo Series, Eclipse Series, Novus Evolution Series, Novus nXt Series +1 more
Heatilator Intake Cover Gasket (4031-239)
SKU 4031-239
Fits Novus Evolution Series, Novus nXt Series, Novus Series

Heatilator 33″ Service Mesh Screen (SRV2381-042)
SKU SRV2381-042
Fits Novus nXt Series, Novus Series

Heatilator 42″ Mesh Service Screen (SRV2383-042)
SKU SRV2383-042
Fits Novus nXt Series, Novus Series
Heatilator NNXT33-IFT & NNXT36-IFT Conversion Kit – NG (NGK-NNXT-IFT)
SKU NGK-NNXT-IFT
Fits Novus nXt Series
Heatilator, Quadra-Fire & Outdoor Lifestyles Plastic Component Tray (2532-170)
SKU 2532-170
Fits Novus nXt Series

Heatilator Intake Cover Plate (2166-450)
SKU 2166-450
Fits Novus Evolution Series, Novus nXt Series, Novus Series