My temperature gauge keeps redlining then dropping below normal operating temp. I had my thermostat replaced, still happens, flushed rad and added head gasket repair (liquid) and ran as directed heater on full. Tenp gauge stays low while driving with lots of heat but when idle at light temp gauge...

I have a 50 year old single level house (just moved in), that was added on to twice. I found supplemental water heaters in each of the three bathroom closets. The original water heater is a good ways away so I think this is what they did rather than increase the size of the heater. The...

I'm putting goldfish in a pond and need to make sure the temp is adequate for their survival. The room is a approx 30 x50ft 20 ft ceiling. The amount of water is the only thing I'm unsure of, but it's approx 30-50 gal.

As our shower is running and the water pressure goes from high cut out to low cut on the water temp changes. With the higher pressure the temp is hotter and gets cooler as the pressure drops. There seems to be about a 10-15 degree change from high to low pressures. My tank switch is set from...

When I run the water for a bath, it stays at what ever temp I put it. When I turn the shower on though, it is always changing, hot,cold,hot,warm,etc... I am confused as what's the difference? & how to fix it? The knob to turn the shower on was replaced but this did not fix the problem? :confused: