20 Most Recent Culligan Sediment Water Filter Questions & Answers


Here are instruction to remove the filter housing. This is from my tips posting. Culligan filter housings are just Pentek/Pentair water filter housings and these tips apply to virtually any filter housing.

Frequently whole house filters can be very difficult to remove. The canisters become almost impossible to loosen, even after pressing the pressure relief valve and using a housing wrench. The most common reasons for this are the housing was put back on with the housing wrench, debris in the housing threads and a bad pressure relief valve.
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How to remove a stuck filter housing.
1. Turn off the incoming water.
2. By-Pass the Softener
3. Go to the nearest cold water faucet, open it and let the water run until pressure drops significantly.
4. Turn the water off at outlet of filter (If housing has shutoff on top off head, turn this off now).
5. Press and hold the pressure relief button to relieve pressure further.
6. Use filter wrench to unscrew housing (If it still won't loosen repeat steps 2-5).
7. After removing, clean housing thoroughly, make sure threads are clean on filter bowl and housing head. Lubricate threads of housing and head with plumbers faucet lube or silicone.
8. Clean and lubricate the O-Ring (replace the O-ring every couple years or if housing leaks after screwing back on). It helps to flip the O-Ring over a couple times per year.
9. Replace the cartridge filter and screw the housing back on.
10. Turn the incoming water on slowly while holding the pressure relief button down until all air is purged.
11. Open outlet and let water run to cold water faucet until all air is purged.
12. Put softener back in service.

IMPORTANT! Only tighten the filter housing by HAND!
NEVER use the housing wrench to tighten the housing.

I hope these tips help you with the angst of removing stubborn filter housings.

RJ

Culligan... | Answered on Jul 10, 2018


Usually, an E1 error code means the circuit board is bad. Try unplugging the unit for 5 minutes. Upon plugging it back in, if it does not reset itself, that means you need a new board. It is really easy to replace ( just a few wires) and will cost around $160.

Culligan... | Answered on Nov 19, 2014


The most frequent causes for intermittent hard water would be the gallon settings set too low causing the softener to run out of capacity or a meter that is not measuring the gallons. I would set the "hardness" setting on your culligan softener 30% higher than actual hardness. The softening resins they use are low in crosslink and very inefficient. Also make sure there are no toilets leaking causing hard water to "bleed" through softener. Iron filters require regular maintenance to clear oxidized iron from nozzles and the valve. Generally it is better to have the iron filter regenerate at least every 3 days to keep the bed refreshed.
RJ

Culligan... | Answered on May 23, 2014


Your best course of action is to contact Culligan here:

http://www.culligan-store.com/contact.asp

Culligan... | Answered on May 23, 2014


There is a problem with the main piston/sealpack assembly and it needs to be replaced. You can get this kit at Culligan and replace it yourself, if you are handy, it takes about 20 minutes. Replace the refill piston at the same time. Or have Culligan do it.
RJ

Culligan... | Answered on May 21, 2014


what does c5 mean? I can't get it off the digital face and had to by pass to shut off.

Culligan... | Answered on Dec 07, 2013


I have seen salt attack aluminum like that but nowhere else

Culligan... | Answered on Nov 29, 2013


I have the same problem. Did you ever figure it out?

Culligan... | Answered on Nov 10, 2013


By-pass the softener, unplug the control for two minutes, plug back in, put unit back in service (return by-pass to normal position). If unit continues run it has a bad seal pack assembly in the valve and it would need to be replaced. Or if it is stuck in backwash cycle this may home out the board and return valve to service position. If neither works you will need to call for service.
RJH2O

Culligan... | Answered on May 14, 2013


Cleaning injectors is a process best left to a professional with a bench setup to properly flow and clean them. In a pinch for a low cost short term fix you can do the following:

1. Remove the + battery terminal.
2. Remove the fuel rail retaining bolts and the injectors will pull out of their seat in the head.
3. Remove the injector plug and simply pull them out. Look into the input side and you should be able to see if it is relatively clean. Sometimes they are completely clogged on older vehicles.
4. Use Seafoam injector cleaner and spray into the input while pulsing the nozzle in and out until it is clear. Also spray some into the nozzle end.
5. Repeat for all injectors, let them sit for an hour to 24 hours, then repeat the cleaning with the injector cleaner to force out any residual.
6. You can also energize the relay with 12V and spray through the nozzle, but this is difficult without having a pressurized system.
7. Reinstall (preferably with new O-rings) and enjoy.

I did this recently on my son's 1999 Mitsubishi Mirage due to 2 cylinders not firing at all and it runs like a champ. Cost me $10.99 from Autozone. You should also replace the fuel filter at this time.

Culligan... | Answered on Dec 28, 2012

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