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Winterizing Procedure:
1. Disconnect all electrical power to the heater; turn OFF circulating pump.
2. At the two (2) water connection unions, disconnect the plumbing to the heater (removal is
counterclockwise).
3. Locate the drain plug at lower, right-hand, front corner of heater. (See Figures 1 & 2, below.)
4. Using a 5/8", box-end wrench, remove the drain plug (removal is counterclockwise).
5. Permit all of the water to drain out of the condenser, and then replace the plug: thread the plug
in clockwise until just snug, then apply an additional 1/8 turn.
6. To prevent insects and vermin from entering the plumbing during the winterized period, partially
reconnect the two (2) plumbing connection unions: couple each union one or two threads; this
will permit condensation to drain, but will prevent most insects and animals from entering the
plumbing circuit.
7. Next Season: to ready the heat pump for use, simply retighten plumbing connection unions.
Hand-tight is generally sufficient.
FIGURE 1
FIGURE 2
Location of Winterizing Drain