Harman P35i Pellet Stove Insert

The Harman P35i pellet stove insert produces 35,000 btu. per hour on max, and can heat an area of up to 2,100 square feet. Two hopper sizes are available to accommodate smaller or large fireplace opening sizes.

For ease of maintenance, Harman provide this pellet insert with a rail system that allows the stove to roll in and out of the fireplace - giving access to all the components without dismantling.

For raised hearths, there is a stand which supports the front of the fireplace insert if it extends over the front of the hearth in maintenance mode.

If you want to relax quietly without the blower on, the P35i can be run like that, although heat output will be reduced.

This unit can be run either in stove temperature mode - keeping the stove at the desired temperature, or room mode - which senses room temperature.

If you are unsure of the meanings of the terms in the pellet stove review below,or their implications, please go to the Pellet Stove Reviews page for an explanation.

harman p35i pellet stove insert

Heating Area Up to 2,100 square feet

Max. Heat Output 35,000 btu/hr

Min. Heat Output 6,000 btu/hr, zero with optional thermostat

Automatic Ignition Yes

Manual Ignition If required

Hopper Capacity From 41 to 62 lbs. depending on the size of the fireplace it is installed in.

Burn time Up to 44 hrs on low, assuming maximum hopper size

Fuel Type Wood pellets or 50/50 corn and pellets

Glass Air Wash Yes

Built in Blower Yes

Convection Blower Capacity 160 cfm.

Thermostat Compatible Yes

E.P.A. Approved Yes

Emissions 0.4 gm/hr.

Efficiency 78%.

Weight 262 lbs

Window Size 13.7 in. by 10 in.

Flue Vent Size 3 in.

Top Vent No

Rear Vent Yes

Rear Vent Height 18 in.

Battery Backup No, See Stove Sentry

Surge Protector Recommended

Colours Black

Exhaust Temperature Sensor Yes, the exhaust sensor probe connects with the control board as part of the heat regulation system

Low Draft Shutdown Yes

Construction Type Fabricated steel

Automatic Shutdown and Re-ignition Yes,

Decorative log kit
Trim finishes in nickel, stainless steel or gold.
Hearth pad extension.

Dimensions for Harman P35i Fireplace Insert

Dimensions Insert

Height 24 in.
Width 24 in
Depth 10 in. onto hearth, 14 in. into fireplace

Min. Fireplace Size

Height 19.5 in for small hopper, 23.5 in. for larger hopper
Width 24 in.
Depth 14.5 in.

Insert Surround Dimensions

Standard 40 in high by 31 in wide
Oversize 46 in high by 34 in wide


The seal on the hopper gasket can deteriorate, resulting in inconsistent pellet ignition on start up, and the viewing glass becoming sooted up. Easy fix with high temp. silicone.


Daily: Scrape the burn pot.

Weekly: Empty ash, clean viewing glass.

Monthly: Clean combustion fan and blower.

Every ton of pellets burned: Empty the ash pan, scrape the burn pot, clean the heat exchanger surfaces.

Once a year: Clean and scrape the burn pot and space underneath, clean the heat exchanger, clean ash from the inside of the stove, clean the combustion blower fan and convection fan, also internal flue. Clean fines from the fuel delivery system. Inspect and clean the external flue if necessary.


One Year: All parts and materials
Two Years: Igniters, glass, electronics and blowers
Three Years: Burn pot, firebox and heat exchanger
Five Years: Castings and baffles
Seven Years: Manifold tubes

Warranty transferable to a new owner for $25 fee within two years of commencing.


If you would like to leave a review of the Harman P35i pellet insert, please use the form on the contact page.

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