SP41Millivolt · Millivolt (standing pilot)
Choose your version
The SP41 comes two ways. Same firebox, same looks, same venting; both keep working in a power outage. The difference is how it lights and what comes in the box.


About the SP41 Millivolt
Millivolt (standing-pilot) model: no electricity required — keeps working in a power outage. Fan kit and remote or thermostat are NOT included; add them under Optional Accessories.
Slim profile direct vent fireplace with traditional log set and low clearances! The SP41 makes a cost-effective and economical addition to any home. Order now!
The SP41 is a Stunning Direct Vent Gas Fireplace As an ideal contemporary heating solution to be installed inside an existing fireplace, the SP41 benefits from a wide range of design options. This enables customization to meet your exact specifications. Because it’s a direct vent model, it can be placed almost anywhere in the home; with flexible venting connecting it to the outside world, air is allowed to flow around the fire bin when necessary. A Traditional Gas Fireplace that Offers Excellent Energy-Efficiency Energy-efficiency is always an important consideration when selecting a suitable heating appliance. Not only does better efficiency mean lower bills, saving fuel is also environmentally important. The SP41 is rated at 70.05%/70.46% AFUE. It also performs at 28,000 BTU/hr input when using natural gas and 28,000 BTU/hr input for LP. Its high efficiency is defined as 71.08% for natural gas and 71.19% for LP gas. Overall, the SP41 makes a cost-effective and economical addition to any home. Range of Exceptional Design Features on Our Gas Fireplace The model can be tailored to meet a wide range of specifications. One of the real design advantages of this choice is the front screen – available with a standard arched or optional rectangular format, it is generously proportioned for maximum viewing pleasure. Control is achieved through a Komfort Kontrol remote that can be minutely adjusted to give the exact temperature required.
Features
- Works when the power is out — the standing pilot needs no electricity; only the fan needs power
- Fan kit and remote/thermostat sold separately (see Optional Accessories)
- Log Set
- Viewing Area: 23 3/8” x 33 5/8”
- 28,000 BTU/hr Input – NG
- 28,000 BTU/hr Input – LP
- Electronic Ignition (IPI)
- Standing Pilot Ignition
- Ceramic Glass
- Fan Kit
- Remote
- Engineer Designed Burner System
- Certified to ANSI Z21.88 Vented Gas Heater
- Rectangular Standard Screen Front
- Black Glass Refractory
- Arched Prairie Design Overlay
Height 34-1/2"" | Width 40-3/4" | Depth 15" | Weight 179 lbs
Will it fit?
- Framing (rough opening)
- 41" × 37" × 15½" (W × H × D)
- Unit size
- 40¾" × 34½" × 15" (W × H × D)
- Vent pipe
- 4" × 6⅝"
- Heat output
- 28,000 BTU/hr (turns down to 14,000)
- Heating area
- ~1,400 sq ft (our estimate from the BTU rating; layout and insulation vary)
From the manufacturer's documentation (page 16). We confirm every measurement on the site visit before anything is ordered.
Documents
- 📄 English- SP Series Brochure
- 📄 English - SP41L & MV Manual
- 📄 SP41-50A Log Set R3 5.21 (Log Set Instructions)
- 📄 Vinyl Flooring and Vinyl Siding Addendum
Fuel TypeNatural Gas▾
LinerNone (standard firebox interior)▾
MediaTraditional Log Set▾
Optional Screen Front OverlayStandard Screen Front▾
Venting▾
Optional Accessories▾
Protect it
Every written quote includes an optional 5-Year Protection Plan — mechanical breakdown, accidental damage, and power surge covered with no deductibles, unlimited covered repairs, and in-home service by our own technicians.
How the plan works →