According to the multimeter, one measures 32.3 ohm, and the other measures 24.1 ohm. I have two example solenoids, one made by Orbit and one made by Hunter. Let’s start by measuring the resistance of the sprinkler solenoid. This also means if your water pressure is too low you may not be able to completely stop the water flow.
Because closing the valve relies on internal pressure build-up, it usually takes a few seconds to completely stop the water flow. This allows the water pressure to build up internally hence stopping the flow. Removing the voltage causes the rod to revert back to its original position. This releases the internal water pressure thus opening the valve, allowing water to flow through the valve. Applying 24VAC on the two wires energizes the coil, and causes the rod to contract into the solenoid. The solenoid has two wires connected to its internal coil. At the center of the solenoid is a rod supported by a spring. The electric part of a sprinkler valve is the solenoid - it’s a cylindrical-shaped thing screwed into the valve. That’s why if you look at a standard sprinkler transformer, the output is usually AC. While most valves indeed CAN be powered by DC voltage (see below), they are designed to work with AC voltage in the range of 22VAC to 28VAC. It’s a common mistake to assume sprinkler valves work with DC voltage. If you are designing a sprinkler controller circuit, understanding these properties can be helpful. I often get questions about sprinkler valves, so in this post I will explain the basic electric properties of sprinkler valves. We’re grateful to have received numerous recognition awards from many of our valued partners.Note: check out our OpenSprinkler DC-powered version, which uses an innovative circuit design that drives sprinkler solenoids using DC-only voltage. Our legacy is to design and manufacture only products of the highest value and quality. Rain Bird is committed to The Intelligent Use of Water™ with our commitment extending beyond products to education, training and services for the industry and the community. These products have all been chosen and installed worldwide in the largest and most prestigious projects for residential, commercial, agricultural and golf course irrigation. Our products cover all aspects of irrigation…timers/controllers, pop-up rotary sprinklers, pop-up spray head sprinklers, sprinkler nozzles, irrigation valves, Drip irrigation, drainage and much more. In 1990 this original impact sprinkler was designated a historic landmark by the American Society of Agricultural Engineers. Patent 1,997,901) which revolutionized agricultural food-production and ushered in a new era in irrigation worldwide. Including the first one for irrigation in 1935 for our original impact-drive sprinkler (U.S. Over the past 80-years Rain Bird has received more than 450 patents worldwide. Since the very beginning, Rain Bird has produced and offered the industry’s broadest range of high-quality irrigation products for: farms, golf courses, sports arenas, commercial developments and homes. With sales offices around the globe we offer over 4,000 water-saving irrigation products in more than 130 countries.
We’re recognized as the 1 manufacturer and provider of irrigation products and services in the world. Rain Bird “The Intelligent Use of Water" From the Manufacturer Rain Bird Corporation is a privately held company founded in 1933 during the agricultural boom in California. Specifications: UL Rated Input AC120V / 60Hz Output AC25.5V / 650mA.
Compatible with the following Rain Bird indoor timer/controller models: SST400I, SST400IN, SST600I, SST600IN, SST900I, AND SST900IN.
Very Important: this unit designed only for indoor vertical or floor mount use in dry locations. Easy-to-install wire connector slides directly into any SST irrigation timer/controller with no tools required. Replacement 24-Volt transformer for use only with the Rain Bird SST indoor irrigation timers/controllers.
24 VOLT TRANSFORMER FOR ALL RESIDENTIAL RAIN BIRD TIMERS SERIES
Rain Bird UT1 Replacement Transformer for SST Series Indoor Irrigation Timers Replacement transformer for Rain Bird SST model indoor timers Compatible only with Rain Bird SST indoor models Easy installation: wire connector slides directly into existing timer Only suitable for vertical indoor installation in dry location 24 volt transformer Color:Original version Rain Bird UT1 Replacement Transformer for SST Series Indoor Irrigation Timers. Item: 185623942083 Rain Bird UT1 Replacement Transformer for SST Series Indoor Irrigation Timers.
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