
Minimum Vent Length Chart
*TC36D and TC36DAR have same dimensions.
**TCWS 54D, and TCWS 54DST have the same dimensions
This power vent kit cannot be used on model TC54.D
TCWS 54D** TCWS 38D TC30D TC36D*TC42D TC36DST
49” 45” 47 51” 57” 56” 0” 3 feet
61” 57” 59” 63” 69” 68” 12” 2 feet
73” 69” 71” 75” 81” 80” 24” 1 foot
Minimum Rise Pipe Min.
From Floor to Flue Center Length Pipe
Length
A B C
THIS POWER VENT SYSTEM IS FOR USE WITH 5”& 8” COAXIAL DIRECT VENT PIPING
0703221-20_TCVT.PV-D 070322-20_TCVT.PV-D 100005216
100005216
Fig. #3
Fig. #2
45
Vent Terminal Minimum Clearances
M
K
I
A
V
G
G
H
A
J
V
G
A
B
C
A
V
V
A
V
B
F
B
L
V
E
V
V
V
D
FIXED
CLOSED
FIXED
CLOSED OPEN-
ABLE
OPEN-
ABLE
AIR SUPPLY INLET
VENT TERMINAL GAS METER
AREA WHERE TERMINAL
IS NOT PERMITTED
B
B
Canada¹ US²
A= Clearances above grade, veranda, porch, deck, or balcony. 12 inches (30 cm) min. 12 inches min.
B= Clearance beside or below a window or door that may be opened. 12 inches (30 cm) for
appliances ≤ 100,000
Btuh.,
36 inches (91cm) for
appliances > 100,000
Btuh.
9 inches for appliances >
10,000 Btuh and ≤ 50,000
Btuh.
*12 inches for appliances
> 50,000 Btuh.,
C= Clearance to permanently closed window recommended to prevent condensation
on window.
12 inches (30 cm) 12 inches
D= Vertical clearance to ventilated soft located above the terminal within a horizontal
distance of 2 feet (61 cm) from the center line of the terminal.
2 inches (5 cm) min. 2 inches min.
E= Clearance to unventilated soft from the center line of the terminal. 2 inches (5 cm) min. 2 inches min.
F= Clearance to outside corner. 6 inches (15 cm) min. 6 inches min.
G= Clearance to inside corner from the center line of the terminal. 3 inches (8 cm) min. 3 inches min.
H= Clearance to each side of center line extended above meter/regulator assembly. 3 feet (90 cm) min.
within a height of 15ft
(4.5m) above the meter
or regulator assembly
**
I= Clearance to service regulator vent outlet. 3 feet (90cm) min. **
J= Clearance to non mechanical air supply inlet to building or the combustion air inlet
to any other appliance.
12 inches (30 cm) ≤
100,000 Btuh.
36 inches (91) cm >
100,000 Btuh
9 inches for appliances >
10,000 Btuh and ≤ 50,000
Btuh.
12 inches for appliances
> 50,000 Btuh.
K= Clearance to a mechanical air supply inlet. 6 feet (1.8 m) min. 3 feet (90cm) min.
above if within 10ft (3m)
horizontally
L= Clearance above paved side-walk or a paved driveway located on public property ^ 7 feet (2.1 m) min. **
M= Clearance under veranda, porch, deck, or balcony ‡ 2 inches (5 cm) min. ‡ 2 inches min.
1) - In accordance with the current CSA B149.1 Natural Gas and Propane Installation Code
2) - USA - In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code,
** Clearance in accordance with local installation codes and the requirements of the gas supplier
^ A vent shall not terminate directly above a side-walk or paved driveway which is located between two single family dwellings and
serves both dwellings*
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the oor.
Warning:
The clearances listed below are based on testing with allowable temperatures of 170F (75C), some building
materials (vinyl, plastic etc.) may be damaged or distorted at these allowable temperatures. Softs, Siding
and Decking made with vinyl or other plastics will require larger clearances to prevent heat related damage.
Check with siding/Soft or decking manufacturer and proceed with caution.