Vertical Venting, Single Wall, Double Wall

a)Be sure that method selected for venting heater complies with all codes as required for each particular location.

b)Exhaust end of heater will accept a three (3") inch flue pipe using the flue pipe adapter.

c)Heater may be vented to the outdoors either vertically or horizontally.

d)If heater is to be vented horizontally:

1)Vent must exit building not less than seven (7') feet above grade when located adjacent to public walkways.

2)Vent must terminate at least three (3') feet above any forced air inlet located within ten feet (10').

3)Vent must terminate at least four (4') feet below, for (4') feet horizontally from, or one (1') foot above any door, window, or gravity inlet into any building.

4)Vent terminal shall be located at least twelve (12") inches from any opening through which vent gases could enter the building.

e)Vent terminal opening must be beyond any combustible overhang.

f)If condensation in the flue is a problem, the flue length should be shortened or insulated.

g)For vent specifications all of the following conditions must be met:

The maximum equivalent length of vent pipe should be carefully observed. A safety switch in the heater is designed to shut the heater off before excessive flue restriction causes bad combustion.

Minimum Equivalent Length = 5 feet of Pipe Maximum Equivalent Length = 25 feet of Pipe

Use the following correction factors to obtain the equivalent length:

1)Subtract 15 feet if the run is horizontal.

2)Subtract 10 feet for an approved vent cap.

3)Subtract 10 feet for each elbow beyond 15 feet from the heater.

4)Subtract 15 feet for each elbow within 15 feet of the heater.

Limit the quantity of 90º elbows to two. When vent pipe is in a horizontal run, it must rise not less than 1/4 inch per foot from the start of the vent system towards the vent terminal.

Alternative Arrangements /Optional Equipment for Venting

Horizontal Venting

a)In combustible or noncombustible walls, use vent kits on page

(3). Follow vent manufacturer's instructions for proper installation.

b)Three (3") inch O.D. flue pipe is required. Twenty five (25') feet maximum length is recommended.

c)All flue joints should be sealed using suitable product such as General Electric RTV 106 or Permatex Form-A-Gasket Red High Temperature Silicone Adhesive Sealant.

d)Vent terminal should be installed at a height sufficient to prevent blockage by snow.

e)Building materials should be protected from degradation by flue gases.

Single Wall

Single wall vent run

Single wall terminal end

Double Wall

Double wall vent run and

Double wall terminal end

Vertical Venting

a)Three (3") inch O.D. flue pipe, maximum twenty five (25') feet in length may be used as shown with approved vent cap.

b)An insulated thimble may be required to pass through combustible structures (check local codes).

c)All flue joints should be sealed using suitable products (see recommendation for horizontal venting).

Enerco Group, Inc., Gas-Fired Low-Intensity Infrared Heater 15

Operating Instructions and Owner’s Manual

HST45 specifications

The Enerco HST45 is a high-efficiency heating solution that has gained popularity among consumers looking for effective solutions for their heating needs. This advanced heating system combines innovative technologies and user-friendly features to deliver optimal performance while ensuring energy savings.

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