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Rinnai's drain down kit is for use in areas subject to freezing temperatures to protect the heat exchanger from a potential freeze and burst. The kit consists of a normally open solenoid, a normally closed solenoid, a vacuum breaker and circuit board. In the event of a power failure, the 3/4" solenoid closes (stopping the flow of water into the heater) and the 1/2" solenoid opens (allowing the water heater and associated piping to drain).
11H2485
CAT. NO. MFG. NO. DESCRIPTION EACH 11H2485 104000059 Drain Down Kit $682.10
EACH
$279.40 $138.42
ADDITIONAL ACCESSORIES CAT. NO. MFG. NO.
DESCRIPTION 11H2154 PC-20-W Pipe Cover Enclosure for Model V53e Pipe Cover Enclosure