Anonymous posted an answer for this Rheem Paloma PTG-74PVN / RTG-74PVN Natural Gas Indoor:
"My Paloma tankless water heater had a code of C7 - 76. I called the service center at..."
Anonymous posted an answer for this Rheem Paloma PTG-74PVN / RTG-74PVN Natural Gas Indoor:
"Paloma tankless water heater, 2 yrs old, C7 76 error code. How do I fix this?"