Installation & Operation Manual

4 Sidewall direct venting

Sidewall termination – optional concentric vent

Description and usage

Lochinvar offers optional concentric combustion air and vent pipe termination kits (Factory Kit #CVK3003 for 3" diameter - models 155 - 199, #CVK3008 for 2" diameter - models 55 - 110, or #CVK3007 for 4" diameter - models 285 - 399). Both combustion air and vent pipes must attach to the termination kit. The termination kit must terminate outside the structure and must be installed as shown below in FIG. 4-6.

The required combustion vent pipe and fittings are listed in Table 3D, on page 19 of this manual.

Figure 4-6Concentric Sidewall Termination

3.Cut one (1) hole (5 inch diameter for #CVK3003 installations, 4 inch diameter for #CVK3008, or 7 inch diameter for #CVK3007 installations) into the structure to install the termination kit.

4.Partially assemble the concentric vent termination kit. Clean and cement using the procedures found in these instructions.

a.Cement the Y concentric fitting to the larger kit pipe (FIG. 4-7).

b.Cement the rain cap to the smaller diameter kit pipe (FIG. 4-7).

Figure 4-7Kit Contents - CVK3008 & CVK3003 (reference Table 3B on page 16)

Figure 4-8Kit Contents - CVK3007 (reference Table 3B on page 16)

Sidewall termination installation

1.Determine the best location for the termination kit (see FIG. 4-6).

2.Reference the Determine Location Section on page 22 of this manual for general termination considerations.

RAIN CAP

6" (152 MM) TO 4" (102 MM) REDUCER

6" (152 MM) DIA.

6" (152 MM) DIA.

4" (102 MM) DIA.

"Y" CONCENTRIC FITTING

6" (152 MM) DIA. 4" CONCENTRIC

"FLEXIBLE" PIPE COUPLING

VENT KIT

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Lochinvar WH 55-399 operation manual Sidewall termination optional concentric vent, Description and usage
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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.

One of the standout features of the Lochinvar WH 55-399 is its high thermal efficiency, which is a key factor in reducing energy consumption and operating costs. With an efficiency rating exceeding 90%, this water heater ensures that more energy is converted into usable hot water, making it an environmentally friendly choice.

The WH 55-399 utilizes advanced condensing technology, which allows it to extract additional heat from the exhaust gases before they are expelled. This process not only increases efficiency but also significantly decreases greenhouse gas emissions. The unit is also equipped with an intelligent control system that allows for precise temperature adjustments, ensuring that the user has an optimal supply of hot water while maintaining energy savings.

Another important aspect of this model is its impressive recovery rate. The ability to quickly heat water after a significant draw ensures that users will not experience interruptions in their hot water supply, making it ideal for busy households or commercial environments. This is particularly beneficial in applications requiring consistent hot water availability, such as restaurants or athletic facilities.

The Lochinvar WH 55-399 is designed with durability in mind. Constructed from high-quality materials, this water heater boasts a robust tank lined with corrosion-resistant coatings, extending the lifespan of the unit and reducing maintenance needs. Additionally, it features a reliable gas burner and a well-insulated tank, contributing to its overall efficiency and performance.

Safety is also a priority with the WH 55-399. The unit incorporates multiple safety features, including a flame sensor, automatic shut-off valve, and over-temperature protection, ensuring peace of mind for users.

In summary, the Lochinvar WH 55-399 stands out with its combination of high efficiency, advanced technology, and durable construction. Whether for residential or commercial use, this water heater provides a dependable and cost-effective solution for all hot water needs. Its innovative design and performance characteristics make it a top choice for anyone seeking a premium water heating option.
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