Rinnai MC-601-W Remote Temperature Control Pad, White for Tankless Units
The MC-601-W (white exterior color) and MC-601-BK (black exterior color) temperature controller are perfect for controlling an interior or exterior, outside Rinnai tankless water heater from the inside comfort of your home. They also allow your Rinnai tankless water heater to set the maximum standard temperature above 140°F for commercial applications, up to 185°F with some models.
• 98°F to 140°F temperature control
MC-601-W and MC-601-BK replace the following discontinued control pads:
Alternate item no: MC-601-US-W
Installation highlights (not comprehensive)
A maximum of 4 temperature controllers can be installed for a water heater or bank of heaters. This includes the built-in controller of an indoor water heater. Controllers can only be wired in parallel, not in series.
The cable for the controller should be:
The maximum cable length from each controller to the water heater depends on the total number of wired controllers connected to the water heater. Refer to the following table:
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