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Grundfos 599388 24 Hour Programmable Timer for UP Circulator Pumps
From the Manufacturer
Grundfos 599388 Timer is designed only for use with specified Grundfos Series UP circulators installed in indoor hot water service systems. Applicable Series UP models include all single speed UP 10-15, 1-phase, 115-Volt, 60-hertz pumps with date codes of 0528 and higher.The Grundfos Timer control is designed to turn the circulator on and off at preset times, allowing the user to select operation of the circulator during high use periods of the day.
frank
Reviewed in the United States on August 22, 2024
works perfect!
GAS
Reviewed in the United States on July 16, 2023
Bought this because I have a UP-15 recirc pump I purchased from normal suppliers but this timer was not available so ordered online from this seller. My guess is these are seconds because the timer runs 4 hours slow every week and tired of adjusting time to deliver my morning hot water needs. There is no avenue for support via Grudfos and they say to go through installer/reseller. I submitted a ticket and no one ever reached out from Grundfuos. I then messaged this online Amazon reseller and no response. I am stuck with a rather useless timer that was defective from the start that I installed last October. I should have purchased it through my plumber, it would have costed more but it would actually work. This is useless to me.
JD
Reviewed in the United States on May 18, 2022
This was easy to install, just keep in mind that it is only a switch. It fits exactly on the box after you remove the cover. The instructions were easy to follow and it works just fine.
Stevan Mills
Reviewed in the United States on July 31, 2021
Did what it was supposed to do. Now I have hot water at my farthest faucet in like 2 seconds. The old timer must have been broken even thought it was keeping time It was not turning on the pump. Hot water now.
Customer
Reviewed in the United States on March 17, 2017
The timer arrived in a couple of days. Was very easy to install, about 15 minutes. Very easy to set the time intervals and works great. Having the timer saves wear on the recirculating pump and saves energy. The timer was exactly what I expected.
Gilbert Buller
Reviewed in the United States on March 15, 2017
Easy to follow instructions, works great, solved the cold water sandwich in the tankless water heater. Programmable in 15 minute intervals.
D. R. Hilson
Reviewed in the United States on January 22, 2016
I love this timer, but wish it had more than 2 off and on times per day. Its wonderful to have instant hot water when I get up in the mornings and when I'm fixing dinner. A digital timer would have been better so I would have more than 2 off and on times per day.
Customer
Reviewed in the United States on September 4, 2014
When I replaced my Grundfos water pump, I was happy to see that the timer unit was so reasonably priced. Before I had used a lamp timer, and it didn't work so well. I was always concerned that it was under rated for the pump anyway. The timer is easy to install and set-up is a snap. I don't really think about it much now that it's installed. But, I am happy that I can set-up the pump to run at specific times of the day.
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