Delta single handle kitchen faucet issue

Following. I swapped a seal on my bathroom shower hot water handle and experienced the same thing. I haven't messed with it since because it works but it's annoying.

Make sure you opened up the wall valves all the way.

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shite. mine are behind the tile so unable to access.

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A shower may not even have valves. I thought you were talking about a sink. Only time I had hammering was when I simply didn’t open them up all the way though. Probably went months before I finally researched it and figured it out.

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Check the screen on the faucet, it may have picked up some trash.

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Will check this. The valves under the sink are completely open.

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Water hammer usually happens when shut off quickly. Maybe try shutting it off slower.

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It’s not that sort of water hammer, it’s fine when turning off. While running, the water has a pulsing to it with the obnoxious noise to go with it. Not a steady pulse like a machine gun, but bursts here and there. Sink was fine before.

It’s seals and other small parts. The ball is the inner part that the handle pivots to turn on and go from hot to cold.

Interesting, the mixing valve is integral to the faucet and not a replaceable cartridge.

There's a good video: LINK

It has a caution about correct parts and part orientation that may apply to your situation.

Good luck.

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think the shower spigots are 1970s vintage; they are separate instead of the single knob that controls both

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I am hoping to Reno our shower.

The flooring installer is the one that built the shower. The floor is river gravel glued in roughly (it will literally cut the bottom of your feet) and 2 rocks have already come loose.

The water control is a single handle that cannot be adjusted but very very slightly or the water turns cold and you have to completely restart it as it will not warm again just turning it up. Because of the failure to adjust, I DESIRE 2 handles for control (any future residence it will be required).

The built in seat is too far away from the rain flow shower head and is a triangle of marble in the corner preventing placement of a shower chair for elderly mother and when I am too sick to stand. Plus it is not angled to drain at all thus holding a small puddle in the corner.

The ledge forming the bottom of the interior wall (glass panel) and door also is not angled at all to drain drips/splashes into the shower floor. The result is some baseboard rot at the edges of the shower from water escaping.

Moral of the story:
Don’t let the floor guy install the shower.

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Don’t let the floor guy install the shower.

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BUT... is the floor nice? A shower bottom made of glued river gravel hurts to even think about.

My bath reno story isn't nearly as impressive... the stone counter guy did the shower tiling. To get a nice uniform look to the room, he made 3 shower corner shelves from the same granite used on vanities and tub deck.

To install them in the shower, a slot was ground into the shelf edges and the tile wall. "Biscuits" were made by slicing large washers in half.

The installation looked great for 15 years. 1st, an orange stain appeared at the wall edge of the granite shelves. 2nd, on some shelves the stained area spoiled off (broke). 3rd, the shelves fell on the shower floor. Of 3 shelves, two have broken and fallen. Once the 3rd falls I have a fix made.

What happened? The reno was done when the hardware market was full of Chinese fake stainless steel. Maybe the installer thought he had used stainless. Or he didn't know that he needed stainless in the wet environment.

The cheap washers rusted and swelled so much that they popped the granite. Gravity did the rest.