Make sure the water is turned off to system. Open the faucet to system to drain any water and keep the faucet turned on to keep pressure off filter housings.
1.Use the wrench to take housings off.
2. If they still won't budge take a small 2x4 block of wood and hammer, set the block of wood on the RIB for the housing and tap with hammer.
3. Change the o-rings in both housings, lubricate with silicone lube and lubricate the threads on housings with silicone also.
3. Rinse housings with small amount of bleach and clean thoroughly.
4. Replace filters and housings.
5. IMPORTANT: Only tighten housings by hand. NEVER tighten housings with wrench.
RJ
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