Enervex Chimney Fans
Model RSHT Chimney Fan Selection
Wood and Gas Fired Fireplaces and Stoves
Quick Sizing.... Step 1
Determine the type of opening, measure and calculate.....
One-sided
A x B
Two-sided (See-through)
1.5 x A x B
Corner
A x B
Three-sided
( A + B ) x C
Free-standing
1.5 x A x B
Free-standing Round
1.185 x A2
Quick Sizing.... Step 2
Determine the type of flue and measure the INSIDE measurement... use the chart below to convert square and rectangular to round.
CONVERSION OF Rectangular / Square to Round Flues
Measure the INSIDE ( side to side ) measurements of the clay liner.
Ex… The INSIDE measurement of 6 x 10″ on a clay liner is equivalent to
10 (dim. A) – 6 (dim. B) = 8 (8″ Flue Size)
NOTE: Clay liners are “called” by their OUTSIDE measurements, the INSIDE measurements may vary depending on the manufacturer and location.
EX. A 13×13 clay liner may only have an INSIDE measurement of 10″ x 10″
Quick Sizing.... Step 3
Use of the following fan selection tables below to calculate the Exhausto fan required to fully exhaust the fireplace opening and flue system.
Note: The RED background indicates that the fan will most likely create some air-flow noise due to a high air velocity in the chimney.
If there are more than 2x90° elbows, a bigger fan may be necessary.
The "opening in square inches" refers to the fireplace or appliances over-all face opening.
EXAMPLE : In a typical wood burning fireplace, if the hearth opening is 42″ x 24″ with a 13×13 clay liner (10 x 10″ INSIDE MEASUREMENT) in a brick and mortar chimney we would…
Multiply the length and width, in this case 42″ x 24″ = 1008 square inches. Being less than 1200, on the wood burning chart above, follow the column to the 10″ flue size. Highlighted in orange, the chart shows an RSHT 14 to be the proper size chimney fan for this application.
Check out our comparison page here for a side by side comparison of RS and RSHT fans.
Wood stoves, coal stoves and fireplace inserts
If there are more than 2x90° elbows, a bigger fan may be necessary.
Door Opening in square inches A x B
| Flue Size | Stoves (Max 300) | Fireplace Inserts (Over 300) |
|---|---|---|
| 6 | RSHT 9 | RSHT 12 |
| 7 | RSHT 9 | RSHT 12 |
| 8 | RSHT 12 | RSHT 12 |
| 9 | RSHT 12 | RSHT 14 |
| 10 | RSHT 12 | RSHT 14 |
Fan Specifications
- 1. Junction Box
- 2. Conduit/cord
- 3. Motor
- 4. Motor Housing
- 5. Cooling Plates
- 6. Bird Screen
- 7. Base Plate
- 8. Locking Nut
- 9. Inlet
- 10. Axial Vane
- 11. Hinges
- 12. Capacitor ( inside J-box )
Capacitor Wiring Diagram
Download HerePlease call 800 685 8263 or email us (info@volko.com) for prices
RS Chimney Adaptors will be necessary for any metal pipe installation.
SCA - Steel Chimney Adapter
The ENERVEX Steel Chimney Adapter is used when installing the RS chimney fan on the top of a single, double or triple wall steel chimney. The adapter is designed to slide into the steel chimney for a tight fit. The outer diameter of the collar is 1/8” smaller than the inner diameter of the steel chimney, and has a 5” deep collar.
SCA Adaptor Product Info PDF
ASCA Air Cooled Steel Chimney Adaptor
The ENERVEX Air-Cooled Steel Chimney Adapters are used specifically when installing a chimney fan on the top of a double-walled, air-cooled chimney.
The adapter is designed to slide into the chimney for a tight fit. The outer diameter of the collar is 1/8″ smaller than the inner diameter of the chimney. The 5″ collar eliminates the need to secure the adapter externally.
ASCA Adaptor Product Info PDF
Enervex?... but my fan says Exodraft.
Exhausto is now Exodraft, distributed as Enervex.
Enervex Fans… draft solutions for kitchen and pizza oven exhaust.
Please call 800 685 8263 or email us info@volko.com for prices
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