Venting Installation Tips

U.S. Installations

Refer to the latest edition of the National Fuel Gas Code.

Vent termination requirements are as follows:

1.Vent must terminate at least 4 ft below, 4 ft hori- zontally from or 1 ft above any door, window or gravity air inlet to the building.

2.The vent must not be less than 7 ft above grade when located adjacent to public walkways.

3.Terminate vent at least 3 ft above any forced air inlet located within 10 ft.

4.Vent must terminate at least 4 ft horizontally, and in no case above or below unless 4 ft horizontal distance is maintained, from electric meters, gas meters, regulators, and relief equipment.

5.Terminate vent at least 6 ft away from adjacent walls.

6.DO NOT terminate vent closer than 5 ft below roof overhang.

7.The vent terminal requires a 12 in. vent terminal clearance from the wall.

8.Terminate vent at least 1 ft above grade, including normal snow line.

9.Multiple direct vent installations require a 4 ft clearance between the ends of vent caps located on the same horizontal plane.

WARNING: The Commonwealth of Massachusetts requires that sidewall vented heaters, installed in every dwelling, building or structure used in whole or in part for residential purposes, be installed using special provisions as outlined on page 53 of this manual.

Installations in Canada

Refer to latest edition of the B149 Installation Code. A vent shall not terminate:

1.Directly above a paved sidewalk or driveway which is located between two single-family dwell- ings and serves both dwellings.

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2.Less than 7 ft (2.13 m) above a paved sidewalk or paved driveway located on public property.

3.Within 6 ft (1.8 m) of a mechanical air supply inlet to any building.

4.Above a meter/regulator assembly within 3 ft (915

mm)horizontally of the vertical centerline of the regulator.

5.Within 6 ft (1.8 m) of any gas service regulator vent outlet.

6.Less than 1 ft (305 mm) above grade level.

7.Within 3 ft (915 mm) of a window or door which can be opened in any building, any non-mechani- cal air supply inlet to any building or the combustion air inlet of any other appliance.

8.Underneath a verandah, porch or deck, unless the verandah, porch or deck is fully open on a mini- mum of two sides beneath the floor, and the distance between the top of the vent termination and the underside of the verandah, porch or deck is greater than 1 ft (305 mm).

Venting Installation Tips

Support piping:

•horizontal runs—at least every 5 ft (1.5m)

•vertical runs—use braces

•under or near elbows

WARNING: Examine the venting system at least once a year. Check all joints and vent pipe connections for tightness, corrosion or deterioration.

Venting Configurations

For heaters connected to gas vents or chimneys, vent installations shall be in accordance with the NFGC (U.S.), or B149 (Canada), or applicable provisions of local building codes.

Vertical Venting (Category IV)

CAUTION: This venting system requires the installation of a condensate drain in the vent piping per the vent manufacturer’s instructions. Failure to install a condensate drain in the venting system will void all warranties on this boiler.

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Raypak 300, 850 operating instructions Venting Installation Tips, Venting Configurations, Vertical Venting Category
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300, 850 specifications

Raypak is a renowned name in the heating industry, particularly known for its high-quality pool and spa heaters. Among their extensive product line, the Raypak 850, 500, 300, 400, and 700 models stand out for their reliability, efficiency, and cutting-edge technologies. Each model is designed to cater to different needs and applications while maintaining Raypak’s commitment to performance.

The Raypak 850 is designed for larger commercial pools or residential setups requiring high output. With a powerful heat exchanger made from copper and bronze, it ensures superior heat transfer and longevity. Its digital control system provides precise temperature regulation, enhancing user experience. Moreover, it features a durable construction with weather-resistant materials, ensuring lasting performance in various environments.

The Raypak 500 model offers a balance between efficiency and compactness. It features eco-friendly technology that reduces energy consumption without sacrificing performance. The integrated thermostat allows users to maintain consistent water temperatures, making it ideal for residential pools. This model is well-regarded for its user-friendly digital display, simplifying operation and monitoring.

For those needing a more moderate capacity, the Raypak 300 is an efficient choice. It combines robust engineering with an easy-to-use interface. Its advanced ignition system improves reliability while minimizing energy waste. The Raypak 300’s compact design allows for easy installation in various spaces, making it an excellent option for smaller pools.

The Raypak 400 heats water quickly and efficiently, making it suitable for both residential pools and spas. It features a high-capacity heating system that ensures optimal performance. With a clear LED display, users can easily monitor their settings, while the integrated diagnostics provide real-time feedback for maintenance and troubleshooting.

Lastly, the Raypak 700 model is known for its versatility and robust performance. It is equipped with advanced safety features, including a high limit switch and water flow detection mechanism, to ensure safe operation. The model's energy-efficient design enhances its eco-friendliness, making it a popular choice among environmentally conscious users.

Collectively, these Raypak models exemplify superior engineering, performance, and user-friendliness. Their innovative features ensure that they meet the varied demands of pool owners while providing reliable heating solutions for leisure and relaxation. Whether for commercial or residential use, the Raypak 850, 500, 300, 400, and 700 offer unmatched quality and efficiency.
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