A.O. Smith DRE 52 Installation, User And Service Manual page 45
Electric commercial water heater
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Also See for DRE 52:
- Specifications (4 pages) ,
- Installation and user instructioins (26 pages) ,
- Installation and user instructions manual (26 pages)
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0313851_DRE_NLUKFR, 30-03-2022
3.
Close the stop valve (4) in the cold water supply.
4.
Open the drain valve (9).
5.
Aerate the entire installation of air until the water heater is completely drained.
6.
If the water heater needs to be drained completely, disconnect and tilt the water
heater in the direction of the drain valve.
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