heater mats under tanks
How to know your heater mats are working under the tanks? Our switch is on and the lamp is on, But there seems no heat. I'm hoping to not to disassemble anything
Forum Discussion
A clamp-on ammeter will tell if the current flow is within specs. Often there is a thermostat right at the heating element. Depending on temperature you may need to place an ice pack right on the thermostat to close the switch.
