Thanks for the comments! So far, it has not frozen. However, the weather has been relatively warm lately. I'm hoping the high temperature of the water in the tank (78) will transfer heat to the pipe. Time will tell... I'll keep you posted!
On another note, anyone know how to get this put into...
This design uses a plastic, insulated drink cooler with spigot removed. There is then a valve attached to PVC pipe and fittings, where the nipples are then attached.
Finished Product:
Ball valve to shut off water:
Electric fish tank heater, 50 watt, good for up to 15 gallons of...