[FlyingScot]

Originally Posted by Patofnaud

NH RSA270:33 Heating, Agitating, or Other Devices in Public Waters; Safety Hazard. No person shall put, place, operate, or cause to be put, placed, or operated in the waters of this state any so-called heating, agitating, or other device which inhibits or prevents the natural freezing of water, or forming of ice, and thereby impedes either the ingress or egress to or from the ice from any property other than that of the owner of the device.

He is breaking at least this RSA

I don't like circulators and have never run one, but it's hard for me to understand how it's possible to run a circulator without interfering with your neighbor's access to ice (unless you have hundreds of feet of frontage).