Solar Panel Cleaning with a 180-Degree Nozzle A 180-degree nozzle is a common choice for cleaning solar panels due to its wide spray pattern, which effectively covers a large surface area. Solar panel cleaning nozzles are made from UV protected and nylon material and are fitted in a 1/2 inch thread tee. They spray water at an 180 degree angle to clean solar panels. For the nozzle to perform best, it requires a pressure of 0.1 kg/cm2. solar panel cleaning system solar panel cleaning system in India solar panel cleaning system in Gujarat solar panel cleaning system in Rajkot solar panel cleaning system in Pune solar panel cleaning system in Bihar solar panel cleaning system in Jharkhand solar panel cleaning system in Mumbai solar panel cleaning system in Thane solar panel cleaning system in Surat solar panel cleaning system in Delhi solar panel cleaning system in Dehradun solar panel cleaning system in Jaipur solar panel cleaning system in Rajasthan solar panel cleaning system in Haryana solar panel cleaning system in Udaipur solar panel cleaning system in Uttar Pradesh solar panel cleaning system in Madhya Pradesh