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Marley Qmark Berko Heater Parts
Marley Qmark Berko Heater Parts
Marley, Qmark, BerkoGenuine OEM Part

Marley 300DA Duct Extension

  • Part # 300DA

Qmark 300DA flexible duct, 10 ft x 5 in, with exhaust adapter for a Qmark portable blower heater.

$0.00

Usually ships in 1-2 weeks, contact us to confirm lead time

Available on backorder

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  • Genuine OEMFactory original part
  • Same-Day ShippingIn-stock orders by 4 PM Central
  • 90-Day ReturnsSee return policy
  • Expert Support800-654-3545Mon–Fri, 8 AM–5 PM Central
SKU: Y300DA Categories: , ,

Will This Part Fit?

Match the part number 300DA to the part in your heater, or send us your model number and we’ll confirm it fits before you order.

Need help finding your model number? Not sure? Call 800-654-3545 or email [email protected].

Product Details

Part Number300DA
BrandMarley, Qmark, Berko
Part TypeOther
Manufacturer DescriptionDUCT EXTENSION
ConditionNew — Genuine OEM
Length120 in (10 ft)
Diameter5 in
IncludesFlexible duct and exhaust adapter
Weight5 lb
AvailabilityBackorder — call for an estimated ship date
Returns90 days on new, unused items
SKUY300DA
Not sure this is the right part?Our parts experts will check it against your model number.800-654-3545 · [email protected]Mon–Fri, 8 AM–5 PM Central

About the Marley 300DA

The 300DA is a 10-foot flexible duct accessory, 5 inches in diameter, made for a Qmark portable blower heater. It comes with an exhaust adapter that clamps onto the blower's exhaust grille.

It has a listed shipping weight of about 5 lb.

Call us with your heater's model number to confirm the fit before ordering.

Why Buy From Carroll Parts?

  • Helping Fix Things Since 1938Over 85 years of parts expertise
  • Same-Day ShippingIn-stock orders placed by 4 PM Central ship the same business day
  • 90-Day Return PolicyBuy with confidence
  • Real Parts Experts800-654-3545 · Mon–Fri, 8 AM–5 PM Central

Frequently Asked Questions

Is the Marley 300DA a genuine OEM part?

Yes. This is a genuine Marley factory replacement part, not an aftermarket copy.

When will my order ship?

This part is currently on backorder. Call us at 800-654-3545 for an estimated ship date.

What is your return policy?

Items must be new and unused. You can return them within 90 days. Please read our return policy before sending anything back. Questions about a return? Call 800-654-3545 or email [email protected], Mon–Fri, 8 AM–5 PM Central.

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