Heating and Cooling› Heaters

Enerco

MR. HEATER BIG MAXX NATURAL GAS UNI

$1,211.87

SKU: E00O F260560

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

This heater warms spaces up to 2000-2667 sq ft with 80,000 BTU/hour. It features spark ignition with a self-diagnostic control module for reliable operation. Designed for ceiling mounting, it includes the necessary angle brackets. While shipped configured for natural gas, a conversion kit for LP (liquid propane) is included, offering fuel flexibility. It requires a 4-inch flue and a 1/2-inch gas connection. The heater uses convection technology to distribute warmth. It comes with a 3-year warranty on parts and burners and an extended 10-year warranty on the heat exchanger.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEnerco
Part NumberE00O F260560

Videos

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Best Natural Gas Garage Heater 2025-2026 🔥 Top 5 Best Natural Gas Garage Heater Reviews
Mr. Heater Big Max 80,000 BTU Conversion and review

Mr. Heater Big Max 80,000 BTU Conversion and review

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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