4 Sidewall direct venting

Figure 4-3BAlternate Clearance to Forced Air Inlets w/ Field Supplied Fittings

IF LESS

THAN 10’

Installation & Operation Manual

Figure 4-4APVC/CPVC Sidewall Termination Assembly

7’ MIN. ABOVE ANY PUBLIC WALKWAY

36”

MIN.

FORCED AIR

INLET

BIRD

SCREEN

(TYPICAL)

AIR PIPING

VENT PIPING

WALL PLATE

GALVANIZED

THIMBLE

VENT AIR

CENTERLINE WIDTH

VENT PLATE

VENT CAP

Prepare wall penetrations

1.Use the factory supplied wall plate as a template to locate the vent and air intake holes and mounting holes.

Air pipe penetration:

a.Cut a hole for the air pipe. Size the air pipe hole as close as desired to the air pipe outside diameter.

Vent pipe penetration:

a. Cut a hole for the vent pipe. For either combustible

or noncombustible construction, size the vent pipe

hole with at least a 1/2 inch clearance around the

vent pipe outer diameter:

Table 4B Sidewall Vent Centerline Dimensions

Model

Air

Vent

Centerline Width

 

 

 

 

151 - 200

3"

3"

5 5/8"

286

4"

4"

5 5/8"

Figure 4-4BPolypropylene Sidewall Termination Assembly

• 4½ inch hole for 3 inch vent pipe

• 5½ inch hole for 4 inch vent pipe

Drill 3/16" diameter holes for inserting the plastic anchors into the wall.

2.

For Polypropylene Only: Install the vent and air intake

 

sidewall adapters from Table 3F on page 20 into the vent

 

plate. Slide the sidewall retaining bracket down the

 

sidewall adapters flush to the vent plate (FIG. 4-4B).

3.

For PVC/CPVC Only: Install the vent and air intake

 

piping through the wall into the vent plate openings.

 

Use RTV silicone sealant to seal the air pipe. Use the

 

cement/primer listed in Table 3D on page 19 to seal the

 

vent pipe.

4.

Mount and secure the vent plate to the wall, using stainless

 

steel screws.

SIDEWALL ADAPTER (AIR)

SIDEWALL ADAPTER (VENT)

WALL

PLATE

SIDEWALL

RETAINING

PLATE

VENT

PLATE

VENT

CAP

5.

Seal all gaps between the pipes and wall. Seal around the

 

plate to the wall assuring no air gaps.

6.

Assemble the vent cap to the vent plate (see FIG.'s 4-4A

 

and 4-4B). Insert the stainless steel screws into the vent

 

cap screw hole openings and securely attach the vent cap

 

to the vent plate.

7.

Seal all wall cavities.

8.

PVC/CPVC terminations are designed to accommodate

 

any wall thickness of standard constructions per the

 

directions found in this manual.

9.

Stainless steel terminations are designed to penetrate

 

walls with a thickness up to 9.25 inches of standard

 

construction.

GALVANIZED

IMG00085

THIMBLE

 

24

Page 24
Image 24
Lochinvar WH 55-399 operation manual Model Air Vent Centerline Width, Prepare wall penetrations

WH 55-399 specifications

The Lochinvar WH 55-399 is a high-efficiency water heater designed for residential and commercial applications, offering a reliable solution for hot water needs. This model represents an advanced approach to water heating, combining cutting-edge technologies and features that ensure optimal performance and energy efficiency.

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