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Wednesday, June 20th 2018, 2:42pm

Author: Wet_Boots

DIY'er about to go for it! under $600

Freeze "resistance" in a PVB is largely untested in a properly maintained pro system. Water is not left in the plumbing, so their work isn't being subjected to freezing water bursting the plumbing. If water is going to be left in the outdoor plumbing over the winter, expect damage. If I had to spec a PVB on the basis of uncertain maintenance and easiest repair of a freeze damaged unit, it would not be the Wilkins 720, because it has a bonnet made of brass. Other brands like Febco or Watts have p...

Friday, June 15th 2018, 9:41am

Author: Wet_Boots

Valve only turns on after 2nd attempt

Just for grins, you could try swapping zone wires, to rule the controller out of the problem you're having.

Friday, June 15th 2018, 9:39am

Author: Wet_Boots

Pressure Switch Question

A delay unit might solve a pressure spike issue, but the pressure tank is your best bet, because of it providing a physical shock absorber to the plumbing. Also, the classical no-pump-relay-needed supply will have a pressure tank and a pressure switch, with a large enough tank giving you an always-pressurized water supply you might be able to use for things other than lawn watering.

Friday, June 15th 2018, 7:49am

Author: Wet_Boots

DIY'er about to go for it! under $600

By far your best plan of attack is to plumb the supply like a pro, including a real backflow preventer. Get that in place, and only then do you design the system, because you can measure combined pressure and flow from your new supply connection, and work with those numbers. The Febco 765 pictured above (in 3/4-inch size) has a design advantage of having test ports on the PVB body itself, which mean the ball valves on the inlet and outlet are standard versions. Other PVBs use ball valves with te...

Wednesday, June 13th 2018, 4:14pm

Author: Wet_Boots

DIY'er about to go for it! under $600

You have to be freaking kidding. You are just leading with your chin. Do the plumbing right. Obey your plumbing codes. It happens to be law. Remember what they say about "ignorance of the law" ?? (the old saying still applies) Invest some money in a PVB, assuming you are on a flat property, with the supply connection higher in elevation than anything that will be downstream of it. It provides genuine backflow protection. Protect the water supply correctly, and then you can go nuts with the cheap...

Wednesday, June 13th 2018, 3:40pm

Author: Wet_Boots

Backflow pressure

Look for a partially-closed valve in the supply chain.

Wednesday, June 13th 2018, 9:12am

Author: Wet_Boots

Pressure Switch Question

Some controllers can energize a master valve or pump terminal a second or so a zone terminal energizes. You may need a small pressure tank alongside the pressure switch in order to ride out this pressure spike.

Wednesday, June 13th 2018, 9:09am

Author: Wet_Boots

DIY'er about to go for it! under $600

Given that your shopping list does not include backflow prevention, you are looking to make your home unsafe to drink water from. Not Smart. Spend the money to get a proper supply with code-approved backflow prevention in its construction. Remember that the cost of failing to do this can be the loss of your certificate of occupancy, and that can lead to your home being condemned and padlocked. In a nation where the water supply falls within the interests of the Department of Homeland Security, i...

Wednesday, June 13th 2018, 8:54am

Author: Wet_Boots

help me identify this controller

The best idea is to count the number of zones you have and to replace the controller. Nelson sold off their turf irrigation division, and there is no longer any ownership continuity to some of the old stuff. Combine that with the fact that these controllers could permanently lose their display due to a manufacturing problem, and there is about zero pro interest in keeping these things alive.

Wednesday, June 13th 2018, 8:39am

Author: Wet_Boots

Replace Valve (or just the solenoid if possible)

It threads in, so yes. The careful cleanup helps keep dirt from falling into an opening and gumming up the works.

Tuesday, June 12th 2018, 10:08am

Author: Wet_Boots

Replace Valve (or just the solenoid if possible)

Clean it up a bit more before replacing the solenoid, which is an Irritrol R811

Sunday, June 10th 2018, 8:19pm

Author: Wet_Boots

Running two zones simultaneously

You must be reading a different page 12 - the manual makes it abundantly clear - and it only figures, given that controller-decoder communication is meant to be a one-on-one interaction You will have to find another way to have more than one valve activate at the same time. Read some more.

Saturday, June 9th 2018, 7:08am

Author: Wet_Boots

One zone low flow

"culinary" water system ??

Wednesday, June 6th 2018, 12:22pm

Author: Wet_Boots

Preferred brand of Backflow preventer

Just buy the parts, and maintain the backflow preventer according to manufacturer instructions, and it should last indefinitely. 17 years of service is all the product endorsement you need.

Tuesday, June 5th 2018, 9:26am

Author: Wet_Boots

Preferred brand of Backflow preventer

What is the model number? You can get parts for older Conbraco products.

Friday, June 1st 2018, 12:36pm

Author: Wet_Boots

Champion Valves and Actuators

Champion/Arrowhead had some production issues, but they can probably stick around. At least their website is back up. Arrowhead no-lead frost-free sillcocks might be their biggest money-maker now.

Tuesday, May 29th 2018, 8:05am

Author: Wet_Boots

Running two zones simultaneously

the problem I see from here is the same-old same-old ~ no matter how talented and resourceful and well-equipped a do-it-yourselfer might be, a simple failure to RTFM will torpedo the best of intentions Page 12, which by now should already have been read and understood and remembered ~ https://www.hunterindustries.com/sites/d…om_dual_web.pdf Besides the obvious decoder programmer for the I-Core, necessary equipment to diagnose and maintain 2-wire in general includes a clamp ammeter with milliamp ...

Sunday, May 27th 2018, 10:19am

Author: Wet_Boots

Running two zones simultaneously

I don't denigrate anyone's skills and experience, but maintaining a 2-wire-controlled lawn sprinkler system involves some special equipment. The integrity of the wiring path is far more critical than with conventional control, because the controller is responsible for keeping track of the function of the decoder units, and wiring faults will be misinterpreted as decoder failures. You will buy the diagnostic tools. You will map out the path of the system wiring. You will map out the location of t...

Sunday, May 27th 2018, 10:05am

Author: Wet_Boots

Rainbird esp transformer

If the transformer is keeping you awake at night, just replace it.