Water and electric lines run underground below frost line. The 303 Riser Tube protects the water supply line from the cold by insulating it in urethane foam, and warming it with a low wattage heating element.
You can mount this valve on the bottom or on the side and has a bouyancy equal to a 6" round float. It has an above water float adjustment, cord cleat for shutting off valve and a 1 1/2" water level differential from open to close.
THE RACE IS OVER. Stainless steel access plates. Model VT100 valve delivers about 2 1/2 gallons (9.5 liters) per minute. Foam filled-R value of 7.5 per inch. We tested this unit in our own cold chamber.
Frost pro is a device that fits Topaz and Vortex Valves to minimize freezing in cold weather conditions. It is manually operated and when turned on allows a continuous flow of water through the valve to assist in the prevention of water freezing in the...
AS VERSATILE AS YOU CAN GET. Double wall, single piece poly construction--ALL SMOOTH! Foam filled insulation--R value of 7.5 per inch which offers lots of freeze protection. Some warm geographic areas do not use a riser tile and may only have a buried...