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Water Spitting on 1 Rad Valve/ Valve Near Boiler / Sight Glass - Trouble Shooting for Steam Hammer?
Still trying to discern why I've got a bad case of the steam hammer. I've repitched the four radiators with shims, I have supported some of the return piping so it's pitched back to the boiler. I have one radiator with a vent that spits water when boiler cycles (this is the hottest/2nd hottest of the four, see pic). Also, I noticed there is a valve close to the boiler that appears in bad shape (see pic). The sight glass is hazy (pic) and the pressure control appears low (pic and boiler is off). The rad farthest away from the boiler is the loudest and is warm at the bottom of the radiator.
My questions are:
1. Should I replace spitting valve on the radiator?
2. Should I replace the beat up valve that's nearest the boiler?
3. What is the site glass telling me with the haze?
Thank you in advance for your suggestions!
I will figure this out!