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What is an ESFR sprinkler? - Home

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ESFR sprinkler is a fire sprinkler, more specifically an early suppression response sprinkler. They use fast-response fire sprinkler technology to provide fire suppression of specific high-challenge fire hazards, like in the piping system. Before these came about in the 90s, protection systems were used.

Posted on May 07, 2013

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T8845pv


You have 120Volt Intermatic sprinkler timer with 24Volt output.
Copy following link for setting sprinkler timer:
http://waterheatertimer.org/pdf/How-to-Set-and-Troubleshoot-Intermatic-sprinkler-timer.pdf
Copy following link for wiring Intermatic sprinkler timer:
http://waterheatertimer.org/How-to-wire-Intermatic-sprinkler-timers.html
Add a comment
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May 25, 2013 | Intermatic T8845PV - Sprinkler-Irrigation...

2 Answers

What are some different types of sprinkler systems i could use for my lawn at home?


the most common residential systems are impact spriklers, underground sprinklers, drip sprinklers, or oscillating sprinklers

Jan 28, 2013 | Garden

1 Answer

The timer no longer plays all 3 programmed zones. It play only one.


Three things to look for:
1) If sprinkler turns on-off but doesn't advance to next zone, then Sprinkler Valve is suspect, and timer is good.
2) If sprinkler stays on all the time, or never turns on, then Timer is suspect.
3) If sprinkler turns on-off, but leaks when it's supposed to be off, then Sprinkler Valve is suspect, and timer is good.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

Jun 24, 2011 | Intermatic T8845PV - Sprinkler-Irrigation...

1 Answer

Do you know where I can get the part for my Nelson Tractor sprinkler? It is the black part that holds the sprinkler.


Hi,

Here is a tip about how to get parts for your traveling lawn sprinkler and also a great article about how traveling lawn sprinklers work.

Traveling Lawn Sprinklers

heatman101

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Apr 30, 2011 | Nelson Sprinkler: Traveling Tractor

1 Answer

I have Intermatic sprinkler model T8845pv. I want to set it for daily watering in only one of 8 zones. When I remove the gold pins in the main dial and locate the zone I want to water, it waters the...


Intermatic sprinkler timers are 24 hour repeat cycle, with day-skipper option.
The timer does not change zones. The timer just turns ON-and-OFF at scheduled times.
Each tripper represents 12-15 minutes of watering. And then the timer circuit turns OFF.
When timer circuit turns OFF, the sprinkler system is designed to advance to next zone each time.
So when the timer circuit turns OFF and then turns ON again, your sprinkler control starts watering the next zone. This is the way sprinkler systems are designed.
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

If you had a sprinkler system with 1 zone, or could change your sprinkler system to 1 zone on certain days, then the timer would turn that zone on-off each time.
Call a local sprinkler company and see if they have a dual control or some solution >> but sprinkler controls are outside my area of expertise. I am timer expert.

You could solve problem with two separate sprinkler systems, but that would require two timers. I have never seen a 2-channel sprinkler timer. There are electronic two-channel timers that can handle two different programming schedules with minimum 1 minute on-off, and these timers can cost a few hundred dollars up to thousands, PLUS cost of the dual sprinkler system. Add a comment and let me know if two-channel timers are something you want information on.

Apr 27, 2011 | Intermatic R8806P101C -...

1 Answer

I have an aquamate pump and when i connect it to a continuous sprinkler it stops and starts contiuously


The pump is putting out too much water for the sprinkler.
You can raise the pump shut off pressure at the switch until it is higher than the pressure that the pump runs at with the sprinkler operating. You should have a surge tank connected to the system to give the pump time to balance with the sprinkler.
You can use more water with the sprinkler. This could mean adding another sprinkler or increasing the nozzle size of the existing sprinkler.

Dec 05, 2010 | Garden

1 Answer

I have low water pressure on my rainbird sprinkler system. how can i adjust it?


There are several ways to adjust water pressure on sprinkler systems. First you have to determine if there is a problem with the sprinkler system itself. Things to look for:
1.) make sure that all valves including the main are all the way open.
2.) Inspect the sprinkler heads for clogging. Sediment and debris can also clog your sprinkler heads. Some debris removal may be required.
3.) You make have too many sprinklers operating by one valve. You may need to divide a zone and add another valve to increase water pressure.
4.) If all else fails. You can install a breather intake cap to allow air into your sprinkler system thus increasing GPM (gallon per minute)flow.
5.) one of the biggest mistakes that peopel make is that they undersize the water pipe size to save money. Typically you want to use 3/4" PVC pipe for your main runs and tee into 1/2" PVC for your sprinkler heads.
Good luck. I hope this helps.

Jul 20, 2010 | Rain Bird Hardware & Accessories

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