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Old 08-29-2012, 03:20 AM
soafone soafone is offline
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Orbit Pump Start Relay 57009 - Will it control 1/2 or 3/4 HP pump?

It says it is for 1 to 2 HP. Will it work with pumps less than 1HP?
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Old 08-29-2012, 06:16 AM
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jvanvliet jvanvliet is offline
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Orbit is not the best PSR; We have two installed on properties we maintain (not my installation) they tend to lag for about five second or so in turning the pump off after the controller has shut down.

For a couple of dollars more, I'd go with the Hunter PSR-22; good for up to 2HP.
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Old 08-29-2012, 09:50 AM
soafone soafone is offline
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That's good info! I've used only the Irritrol SR-1 and it works great. The Orbit is attractively priced but I wouldn't want a lag in shutdown. Does anyone know much about the K-Rain PSRs?
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Old 08-29-2012, 10:15 AM
irrig8r irrig8r is offline
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We don't use PSRs here much. Most everyone is on big municipal or private water systems.
Looking at a new ESP-M yesterday and they had a slip of paper tucked into the manual that was a list of recommended PSRs to use with their controller from various brands.

Can't find anything but their own on the Rain Bird website though. Kind of a secret CYA memo I guess :-)
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Old 08-29-2012, 05:30 PM
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jvanvliet jvanvliet is offline
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Quote:
Originally Posted by soafone View Post
That's good info! I've used only the Irritrol SR-1 and it works great. The Orbit is attractively priced but I wouldn't want a lag in shutdown. Does anyone know much about the K-Rain PSRs?
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If you need a PSR, you want it to be reasonably reliable. Why would you look at the low end when for all of $5 or $10 you can get a fairly good one?
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Old 09-02-2012, 07:52 AM
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AI Inc AI Inc is offline
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Quote:
Originally Posted by jvanvliet View Post
If you need a PSR, you want it to be reasonably reliable. Why would you look at the low end when for all of $5 or $10 you can get a fairly good one?
what he said
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Old 09-02-2012, 08:13 AM
soafone soafone is offline
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Quote:
Originally Posted by jvanvliet View Post
If you need a PSR, you want it to be reasonably reliable. Why would you look at the low end when for all of $5 or $10 you can get a fairly good one?
I had a chance to pick one up cheap but wasn't sure of it would control a 3/4 hp pump. I guess no one really knows.
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Old 09-02-2012, 10:05 AM
wab1234 wab1234 is offline
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Lower amp draw on the pump is fine. The psr would work with no load on the contacts going over on amps is all that matters. No one said it wouldn't work just they would like a better quality part.
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Old 09-02-2012, 10:42 AM
soafone soafone is offline
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Strange that the mfr wouldn't specify up to 2 HP, rather than 1-2 HP. Thanks for your help.
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Old 09-02-2012, 11:25 AM
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Wet_Boots Wet_Boots is offline
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There isn't any minimum rating on a relay, as regards motor control, and no one should ever be looking for one.
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