Mendota D30 Deep Timber gas insert with Millennia front
Mendota D30 Deep Timber gas insert
Mendota D30 Deep Timber Gas Fireplace Insert

Mendota D30 Deep Timber Gas Fireplace Insert


The Mendota D30 Deep Timber gas insert is a simple way to turn an unused fireplace into a gas fire that's simple to run. It's a compact direct vent insert with a fiber oak log set, so you still get the look of logs in the firebox without hauling wood or cleaning ash.

What sets the D30 apart is its standing pilot. The thermopile powers the pilot and burner, and house power is used only for the blower. A 190 CFM dual blower system moves warm air out into the room when the power is on. It fits a fireplace opening as small as 30-1/2 inches wide, 19 inches high, and 16-1/2 inches deep.

What Makes the D30 Deep Timber Different

  • Standing pilot ignition. A thermocouple and thermopile run the pilot and burner, so the fire itself doesn't need house power. During an outage the manual limits use to one hour on and one hour off, and the blower won't run.
  • Dual blower system. A 190 CFM dual blower system helps push warm air out of the fireplace and into the room.
  • Oak log set. Mendota pairs the D30 with a fiber oak log set for a traditional log fire look.
  • Sealed combustion. It's a sealed-combustion direct vent insert with Mendota's BurnGreen system, venting to the outside through its own approved vent.

This listing is the Mendota D30 Deep Timber direct vent gas fireplace insert, model AA-11-00398, with ratings for natural gas and propane.

Key Specifications

  • Natural gas input: 19,900 to 30,000 BTU/hr
  • Propane input: 16,200 to 29,000 BTU/hr
  • Efficiency (P.4): 73.1%
  • Ignition: Standing pilot with thermocouple safety and thermopile
  • Blower: 190 CFM dual blower system, 120VAC
  • Power outage operation: Burner runs without AC power, limited to one hour on and one hour off cycles. The blower will not run.
  • Venting: Direct vent: co-linear 4" exhaust / 4" air inlet, or coaxial 4" exhaust / 6" air inlet
  • Minimum fireplace opening: 30-1/2" W x 19" H x 16-1/2" D

The input and efficiency numbers are Mendota's ratings. How warm the room feels depends on your fireplace, your home, the installation, and how you run the insert.

Ownership & Maintenance

Follow the manual for lighting and operation. If you buy from us, you get support after the sale.

Wondering if the D30 fits your fireplace? We'll measure the opening, plan the liner and venting, and handle the installation. Compare more gas fireplace inserts or stop by our Auburn, Brunswick, and Yarmouth showrooms.

Start a Project With Mendota D30 Deep Timber Gas Fireplace Insert

Interested in this product? Tell us about the home and project. We'll review fit, venting, installation and the next step.

Photos help, but don't hold up the form. Send the project first. Our team can tell you which photos or measurements will be most useful for the next step.

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