Flue Terminal Clearances

Ref

Description

Canadian Installations

US Installations

 

 

 

 

 

Clearance above grade, veranda,

 

 

A

porch, deck, or balcony. (Take into

12 inches (30 cm)

12 inches (30 cm)

 

account the anticipated snow line)

 

 

 

 

 

 

 

 

6 inches (15 cm) for

6 inches (15 cm) for

 

 

appliances < 10,000 BTUh;

appliances < 10,000 BTUh;

B

Clearance to window or door that may

12 inches (30 cm) for

9 inches (23 cm) for

appliances > 10,000 BTUh

appliances > 10,000 BTUh

be opened

 

and < 100,000 BTUh,

and < 50,000 BTUh,

 

 

 

 

36 inches (91 cm) for

12 inches (30 cm) for

 

 

appliances > 100,000 BTUh

appliances > 50,000 BTUh

C

Clearance to permanently closed

*

*

window

 

 

 

 

Vertical clearance to ventilated soffit,

 

 

D

located above the terminal within a

*

*

horizontal distance of 2 feet (61 cm)

 

 

 

 

from the center line of the terminal

 

 

 

 

 

 

E

Clearance to unventilated soffit

*

*

 

 

 

 

F

Clearance to outside corner

*

*

 

 

 

 

G

Clearance to inside corner

20 inches (50 cm)

20 inches (50 cm)

 

 

 

 

 

Clearance to each side of center line

3 feet (91 cm) within a height

 

H

extended above meter/regulator

15 feet (4.5 m) above the

*

 

assembly

meter/regulator assembly

 

I

Clearance to service regulator vent

3 feet (91 cm)

*

outlet

 

 

 

 

 

6 inches (15 cm) for

6 inches (15 cm) for

 

 

appliances < 10,000 BTUh;

appliances < 10,000 BTUh;

 

Clearance to nonmechanical air supply

12 inches (30 cm) for

9 inches (23 cm) for

J

inlet to building or the combustion air

appliances > 10,000 BTUh

appliances > 10,000 BTUh

 

inlet to any other appliance

and < 100,000 BTUh,

and < 50,000 BTUh,

 

 

36 inches (91 cm) for

12 inches (30 cm) for

 

 

appliances > 100,000 BTUh

appliances > 50,000 BTUh

K

Clearance to a mechanical air supply

6 feet (1.83 m)

3 feet (91 cm) above if within

inlet

10 feet (3 m) horizontally

 

 

 

Clearance above paved sidewalk or

 

 

L

paved driveway located on public

7 feet (2.13 m) 1

*

 

property

 

 

 

 

12 inches (30 cm) to non-

12 inches (30 cm) to non-

M

Clearance under veranda, porch, deck,

flammables 2

flammables 2

or balcony

24 inches (60 cm) to

24 inches (60 cm) to

 

 

 

flammables 2

flammables 2

 

 

 

 

1A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.

2Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor. ∗For clearances not specified in ANSI Z223.1/NFPA 54 or CSA B149.1, clearances are in accordance with local

installation codes and the requirements of the gas supplier.

Rinnai Corporation EX17C / EX22C Manual

19

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Rinnai EX17C (RHFE-434FTA) Flue Terminal Clearances, Description Canadian Installations US Installations
Page 18 Page 20

EX17C (RHFE-434FTA), EX22C (RHFE-559FTA) specifications

The Rinnai EX17C (RHFE-434FTA) and EX22C (RHFE-559FTA) are innovative wall-mounted gas heaters that provide efficient and cozy heating solutions for indoor spaces. Manufactured with advanced technology, these models are designed to meet diverse heating needs while ensuring user comfort and safety.

One of the standout features of both the EX17C and EX22C is their energy efficiency. With a high energy star rating, these heaters minimize energy consumption, making them ideal for environmentally conscious consumers. The EX17C can deliver an impressive 17 kW of heating power, while the EX22C offers up to 22 kW, accommodating various room sizes and layouts effectively.

Both models utilize Rinnai’s advanced direct vent technology. This system allows fresh air from outside to be used for combustion, ensuring optimal heating performance without depleting indoor oxygen levels. This feature not only enhances comfort but also contributes to improved indoor air quality. Additionally, the closed combustion system ensures that exhaust gases are safely vented outside, providing a safer environment for occupants.

In terms of design, the EX17C and EX22C are sleek and modern, fitting seamlessly into various interior styles. Their wall-mounted configuration saves floor space, making them suitable for smaller rooms or homes where space optimization is a priority. The adjustable heat settings enable users to customize their heating preferences according to the season or personal comfort levels.

User convenience is a core aspect of both models, which come equipped with an intuitive electronic control panel. This feature allows for easy temperature adjustments and scheduling, ensuring that optimal heat levels can be maintained without constant manual intervention. Some models also offer remote control capabilities, enhancing usability for consumers.

Safety is paramount in Rinnai's design philosophy, and the EX17C and EX22C include multiple safety features such as flame failure detection and automatic shut-off. These mechanisms ensure that any irregularities in operation are promptly addressed, providing peace of mind for homeowners.

In conclusion, the Rinnai EX17C and EX22C offer modern, energy-efficient heating solutions with advanced technology, user-friendly features, and a focus on safety. These models are ideal choices for anyone looking to enhance their indoor heating experience while maintaining energy efficiency and comfort.
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