CABLE OPERATED HEATER CONTROL VALVE KIT

IT'S A FACT THAT THE HOT WATER GOING TO THE HEATER NEEDS TO BE SHUT OFF WHEN THE A/C IS TURNED ON MAJORITY OF THE TIME THE VACUUM OPERATED VALVE DOES NOT FUNCTION AND THE HEATER OVERCOMES THE A/C COOLING----WITH A FLICK OF THE KNOB YOU CAN CONTROL THE HOT WATER SUPPLY.