Low water pressure at drippers

QuestionI recently installed a single station drip system. I used an anti-siphon valve and a pressure regulator feeding my 1/2 inch tubing. Everything worked fine for a month. Now there seems to be low pressure flow

Irrigation cistern & well pump design

QuestionQUESTION: I am running a 5HP deep well pump for an irrigation system producing/demanding roughly 20GPM per zone. I have had too much trouble managing cycling with an 80 gal pressure tank. I bough

Sprinkler valves causing loud knocking

QuestionHello, Since repairing a leak in one of my valves (2 boxes, 3 valves ea.) when the systems tries to shut off at the end of a cycle, the knocking, slamming begins. The valves seem to switch back and fo

Orbit Sunmate 94932 irrigation system

QuestionI installed the Orbit Sunmate 94932 irrigation system with 3 stations and 7 sprinklers about 2 years ago and everything worked fine for a year. The station with 3 heads still works fine but the other 2 stati

Pressure in Valves too low

QuestionQUESTION: Im in southern CA. My irrigation system was professionally installed 13 years ago, with valves, timers, and heads replaced over time on an as needed basis. I抳e noticed over the past few

Hunter irrigation problem

QuestionI have a Hunter irrigation system for two years. Controller is a pro-c with a submersible pump. I am getting P error or the zone numbers i.e. numbers 1-8 err. I have stripped all splices an

Hardie controller short

QuestionQUESTION: Hi Jim, My 12 year old Hardie 12 valve controller is giving me a short error message. After reading some of your other suggestions, Im stumped. I tried disconnecting each of the valve terminals in

adding to a system

QuestionHi, I recently bought a house that has an irrigation system. The coverage is decent, but spotty in some places. There are only 3 zones and there should probably have been 4. My contro

James Hardie RD-600

QuestionMy RD-600 controller was installed in 1997. The LCD display says 75 - I changed the battery and it still says 75. When I tried to run the system, zone 1 came on and never changed to the next zone

g.p,m,

Questionwhat is the g.p.m. of a 2 pipe at 38psi what is the g.p.m. of a 1.5pipe at 38psi what is the g.p.m. of a 4, and 3 pipe at 2% grade gravity flow thanks for your help have a pool that needs to plum to san sew

water pipes

Questioncwyxl QUESTION: I have attached a photo of the hill behind our house. As you can see, the water from the pipe jutting out has created a gouge going down the hill, and I want to extend the pipe all the

Pressure release valve

QuestionHi. I set up a solenoid sprinkler control system for my father a few years ago. The controller activates a zone and turns on the pump. The well pump just died. The well guy is hesitan

Sprinkler Head

QuestionQUESTION: Do I need a special key to adjust how far the water shoots out on my sprinkler head, or can I just use a phillips Screwdriver. ANSWER: IT DEPENDS ON THE TYPE OF HEAD. DO YOU HAPPEN TO KNOW WHAT TY

sprinkler control valve

QuestionMy question is that we are have a problem with a control valve for our sprinkler system. the sprinklers are on a clock and the clock was not on but the sprinklers were on and when i checked the control valve

Disabling 2 sprinkler heads

QuestionWe have a Rainbird ESP Modular, 4 years old. Just put in a sidewalk next to garage and want to disable 2 sprinkler heads that are between the garage and the sidewalk. Dont even want them to pop u

Orbit Underground Irrigation Control Valves

QuestionThe box cover in the ground says Orbit Underground Irrigation Control Valves...it is full of water. I dont think it is supposed to be filled with water, however, when we moved into our home, we receive

400 water line to garden

QuestionId like to get water to a garden i have on the far side of my property. Its a 400 run from the house, and id like to be able to run 2 standard garden sprinklers. Its a 15 ft elevation drop.  

Irritrol MC-PLUS

QuestionI can reset all things on the program, cycle start, run times, but I cant reset the on days and off days. Err comes up each time. I can only change day #1/Sunday. Any ideas on how to fix this? AnswerHey Dav

Rainbird controller Problem

QuestionMy Ranibird controller has worked perfectly for several years but just yesterday it failed to turn on the pump at the programmed time. My controller has three wheels. One for time, one for days o

Hardie Irrigation Sprinkler System

QuestionHi, I use two automated Hardie Irrigation Sprinkler Syestems (front & back) & noticed recently that after programming to run an evening cycle (run 2X M,W & Fri) that the 1st station for backyard remains on &