Smart 40 Indirect Water Heater Manual

Installation - Piping

• Recommended for applications in which there is a

large water consumption in short period of time.

• A maximum of 3 water heaters may be piped in series.

• Utilize the lead (hot water outlet) SMART tank ther-

mostat to control system temperature.

• Install automatic mixing valve at either the hot water

outlet of the water heater system or at each hot water

fixture.

• Each tank should be piped with a drain as shown in

Fig. 1.

Multiple SMART Series Water Heater

System Domestic Piping - Parallel

Multiple SMART Series Water Heater

System Domestic Piping - Series

• Recommended for most applications.

• Any one water heater tank thermostat may be

utilized to control system temperature.

• Install automatic mixing valve at either the hot

water outlet of the water heater system or at

each hot water fixture.

• Each tank should be piped with a drain as

shown in Fig. 1.

Fig. 10:

Fig. 11:

661A0300 - Rev B

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