SP34Millivolt · Millivolt (standing pilot)
Choose your version
The SP34 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 SP34 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.
As a contemporary heating solution to be installed inside a fireplace, the SP34 benefits from a wide range of design options.
The SP34 is a Stunning Direct Vent Gas Fireplace 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 SP34 is rated at 70.18%/70.07% AFUE. It also performs at 20,500 BTU/hr input when using natural gas and 20,500 BTU/hr input for LP. Its high efficiency is defined as 67.14% for natural gas and 68.91% for LP gas. Overall, the SP34 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. Other features of the SP34 include high-low regulator, an engineer-designed burner system, and an electronic ignition.
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)
- Viewing Area: 19 ¾” x 27 ¼”
- IPI and Millivolt Options
- Log Set
- Screen Front - Included
- 20,500 BTU/hr Input-NG
- 20,500 BTU/hr Input - LP
- Ceramic Glass
- Quick-Latch Glass
- Certified to ANSI Z21.88 Vented Gas Heater
- Refractory Options: Black Glass Refractory
- Overlay Options Arched Prairie Overlay
- Prairie Overlay
- Fan Kit - Optional
- Remote Options On/Off Remote Control
Height 30" | Width 34" | Depth 13-1/2" | Weight 140 lbs
Will it fit?
- Framing (rough opening)
- 34½" × 33½" × 14" (W × H × D)
- Unit size
- 34" × 30⅞" × 13½" (W × H × D)
- Vent pipe
- 4" × 6⅝"
- Heat output
- 20,500 BTU/hr (turns down to 14,000)
- Heating area
- ~1,000 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 - SP34L & MV Manual
- 📄 SP34-50A Log Set R3 (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 →