1.Shall be located not less than 12” (304.8 mm) above grade.

2.Shall be located not less than 3 (.9144 m) feet horizontally from and not less than 3 feet (.9144 m) below an exhaust vent terminal.

3.Shall not be located directly above an exhaust terminal.

4.Shall be located 12” (304.8 mm) above the snow line in geographical areas where snow accumulates.

5.Shall be located not less than 7 feet 2.1 m) above grade when adjacent to a public walkway.

6.Shall not be closer than 3 feet (.9144 m) from the inside corner of an L - shaped structure.

7.Shall be located not less than 3 feet (.9144 m) horizontally or 3 feet (.9144 m) vertically from gas line, meter, or other gas supply entering a structure, see Figure 6.

DIRECT VENT SYSTEM INSTALLATION

Plan the vent system backwards from the vent hood to the heater.

1.Use the inside wall cover plate as a template to mark two holes in the appropriate places on the wall. Cut holes 1/2” (12.7 mm) larger to facilitate easy installation of vent hoods, see Figures 6 and 7.

BEWARE OF CONCEALED WIRING AND PIPING INSIDE WALL. REFER TO TABLE 3 FOR THE MAXIMUM WALL THICKNESS “B” FOR EACH MODEL.

2.Slide hoods through openings from outside. Fasten hoods to exterior wall with anchors and screws supplied.

3.Install cover plate and fasten to inside wall with 4 screws

4.Attach a seal ring (Selkirk Metalbestos Model SR or equivalent) to the vent hood collar, see Figure 7.

FIGURE 7B.

FIGURE 7.

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A.O. Smith 650A, 740A, BTP(V)-540A warranty Direct Vent System Installation
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BTP(V)-540A, 650A, 740A specifications

A.O. Smith is renowned for its innovative water heating solutions, and the 650A, 740A, and BTP(V)-540A models exemplify this legacy. These water heaters are designed with advanced technology and feature a range of specifications tailored to meet diverse heating needs.

The A.O. Smith 650A model stands out with its efficient design and high-capacity heating capabilities. It is equipped with a powerful heating element that ensures rapid water heating, allowing consumers to enjoy hot water without long waits. The unit's tank is insulated with durable materials, which minimizes heat loss and enhances energy efficiency. Additionally, it incorporates a glass-lined tank that resists corrosion and extends the lifespan of the water heater, making it a reliable choice for households.

Moving on to the 740A model, this unit is designed for larger applications and can accommodate significant hot water demands. Its advanced heating technology includes an impressive recovery rate, which enables it to supply hot water even during peak usage times. The 740A is also equipped with smart diagnostics that monitor the system's performance, ensuring optimal operation and identifying potential issues before they escalate. This feature enhances user convenience and reduces maintenance costs.

The BTP(V)-540A takes efficiency one step further with its unique heat pump technology. It captures ambient heat from the surroundings to heat water, significantly reducing energy consumption compared to traditional electric water heaters. This eco-friendly model is ideal for those looking to lower their energy bills without sacrificing performance. The BTP(V)-540A also features a user-friendly digital display that allows users to easily adjust settings and monitor performance.

In summary, the A.O. Smith 650A, 740A, and BTP(V)-540A models showcase the brand's commitment to quality, efficiency, and innovation. Each model comes with distinct features tailored to different household requirements. With advanced heating technologies, robust construction, and user-friendly interfaces, these water heaters represent some of the best options available in the market for ensuring a reliable hot water supply. A.O. Smith continues to set the bar high in the water heating industry, making these models a smart investment for any home.
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