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The Rinnai MCC-91-W has been discontinued.
TRY THIS INSTEAD
Please call us for a suitable alternate product.

(800) 865-5931

Monday - Friday

8:30 AM - 5:00 PM Central

The installation of a MCC-91 controller allows a Rinnai LS Series water heater to heat water above it's standard maximum temperature of 140°F.  The MCC-91 allows the R75LS to achieve a water temperature of 160°F, and the R94LS to reach 185°F.

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.