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Rinnai MSA-2S

Multi-Water Heater Expansion Accessory (Use w/ MSA-2M)


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The MSA-2M and MSA-2S are optional accessories that connect 2 to 5 water heaters together, and allows them to function as one hot water source.  If you are connecting 2 water heaters the MSA-2M is all that is needed, and for each additional water heater that is connected an MSA-2S is needed.

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.