Many of our non-electric competitors simply just do things differently. If all standing water is not located below your local frost line when your non-electric waterer is not is use BEWARE!
As everyone knows, the standard yard hydrant requires ZERO INSULATION to operate throughout the winter. Same with Drinking Post Waterer. This is one of THE distinguishing factors that differentiate Drinking Post from all other waterers available.
If you’re researching non-electric waterer and are prompted to purchase any type of insulation, this is your red flag that all standing water is not likely below the frost line. If it were, insulation would not be necessary to prevent freezing!
Be cautious of inferior non-electric waterers and insulated copy cats. If what you desire is the original, most reliable, frost-free non electric waterer, look no further.