Customer still heard knocking noises after fixing the pressure on the previous visit. The sound only occurs on startup for washing machine when it comes into the machine in short bursts, or when the tub is turned on and off quickly. Every exposed pipe in the crawlspace that can be strapped has been strapped. Noise is still intermittently occurring. Informed customer that it isn’t a safety issue and any other potential fixes for it may not yield definitive results.
