Installation

VERTICAL VENT INSTALLATION – Once the vent termi- nal location has been determined, make a hole through the roof and interior ceiling to accommodate the vent pipe. Com- plete the vent pipe installation to the water heater’s vent connector fitting on the blower outlet. Support vertical or horizontal runs as previously mentioned.

Install adequate flashing where the vent pipe passes through the roof. Determine the vent terminal height and cut vent pipe ac- cordingly. Refer to Fig. 8 for proper vent terminal height. Connect vent elbow onto vertical pipe through roof. Connect short piece of vent pipe (approximately 3" long) to elbow, then join terminal to the short piece of vent pipe.

VERTICAL VENT TERMINAL LOCATION – The location of vertical vent terminal depends on the following considerations (see Figure 8):

1.Minimum twelve (12) inches above roof.

2.Minimum twelve (12) inches above anticipated snow level.

3.Maximum twenty-four (24) inches above roof level without additional support for vent pipe.

4.Four (4) feet from any gable, dormer or other roof structure with building interior access (i.e., vent, window, etc.).

5.Ten (10) feet from any forced air inlet to the building. Any fresh or make-up air inlet such as a dryer or furnace area is considered to be a forced air inlet.

6.The inlet is a minimum of six (6) inches vertically above the outlet.

7.Terminals are a minimum of seven (7) inches horizontally apart with a maximum of twenty-four (24) inches.

VENT INSTALLATION – Before proceeding, make certain you understand the procedure and cautions covered in the section “Joining Pipes and Fittings.”

G

D

 

E

V

B

 

 

V

L

 

F

v

A

 

C

 

 

 

 

ED

v

FIX

ED

 

 

 

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CL

 

 

 

 

 

E

 

 

 

ABL

 

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H

 

 

 

 

C

 

 

 

M

 

 

 

 

v

 

 

 

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D

 

 

 

 

 

 

FIXEED

 

 

 

 

 

 

 

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J

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

V Vent Terminal

X Air Supply Inlet

Area Where Terminal is NOT Permitted

Horizontal Vent Terminal Location

 

The following information should be used for determining the proper location of the vent terminal for direct vent water heaters.

 

 

Canadian Installations 1

US Installations 2

A=

Clearance above grade, veranda,

12 inches (30 cm) above anticipated

12 inches (30 cm) above anticipated

 

porch, deck or balcony.

snow level.

snow level.

 

 

 

 

B=

Clearance to window or door that may

6 inches (15 cm) for appliances < 10,000

6 inches (15 cm) for appliances < 10,000

 

be opened.

Btuh (3 kW), 12 inches (30 cm) for appli-

Btuh (3 kW), 9 inches (23 cm) for appli-

 

 

ances > 10,000 Btuh (3kW) and < 100,000

ances > 10,000 Btuh (3 kW) and

 

 

Btuh (30kW), 36 inches (91 cm) for appli-

< 50,000 Btuh (15 kW), 12 inches

 

 

ances > 100,000 Btuh (30kW).

(30 cm) for appliances > 50,000 Btuh

 

 

 

(15 kW).

 

 

 

C= Clearance to permanently closed

*

*

 

window.

 

 

 

 

 

 

D=

Vertical Clearance to ventilated soffit

3 feet (91 cm)

3 feet (91 cm)

 

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.

18 inches (46 cm)

18 inches (46 cm)

Figure 9 - Horizontal Vent Terminal Location

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Rheem Commercial Power Direct Vent Water heater installation instructions Horizontal Vent Terminal Location
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Commercial Power Direct Vent Water heater specifications

The Rheem Commercial Power Direct Vent Water Heater is engineered to meet the demanding needs of commercial applications, providing reliable and efficient hot water for various business environments. With a focus on performance, efficiency, and durability, this water heater stands out in the competitive landscape of commercial water heating solutions.

One of the key features of the Rheem Commercial Power Direct Vent Water Heater is its direct vent capability. This innovative design allows for installation in confined spaces while optimizing exhaust methods. The direct vent system enables the heater to draw air from outside the building for combustion, ensuring safe operation, reducing risk of backdraft, and maintaining indoor air quality.

The water heater is powered by either natural gas or propane, accommodating diverse fuel supply preferences. With a range of storage capacities, it can cater to small and large businesses, from restaurants to industrial facilities. The product’s high recovery rate ensures that it can meet peak hot water demands, making it an ideal solution for facilities with fluctuating hot water usage.

Equipped with advanced technology, the Rheem Commercial Power Direct Vent Water Heater features a state-of-the-art electronic control system that allows for easy temperature adjustments and monitoring. This interface ensures precise temperature control, so businesses can consistently deliver hot water at the required temperatures.

Durability is a hallmark of this water heater, which incorporates premium-grade components and materials. The tank is constructed with a glass-lined steel design that enhances resistance to corrosion, while also supporting longevity. Additionally, it features robust insulation that reduces heat loss, improving energy efficiency and lowering operating costs.

Another notable characteristic is the inclusion of a high-efficiency burner that maximizes fuel utilization, promoting energy savings and reducing emissions. The heater also complies with various energy standards, making it a sustainable choice for environmentally conscious businesses.

Installation and maintenance are streamlined with the Rheem Commercial Power Direct Vent Water Heater. Its compact design and versatile venting options allow for flexible placement. Furthermore, the unit is designed for easier access to critical components, making routine service and maintenance uncomplicated.

Overall, the Rheem Commercial Power Direct Vent Water Heater represents a fusion of efficiency, ease of use, and advanced technology, making it a smart investment for commercial establishments needing reliable hot water solutions. Whether in kitchens, manufacturing plants, or commercial offices, this water heater is engineered to deliver performance and peace of mind.
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