Heating boiler work permit

  • rusty water on new Wel McClain Steam Boiler — Heating Help

    The only other possibility I can think of is that somehow during the summer rust from the non-water-covered top of the boiler falls onto the surface of the water and that is drawn to the sight glass; the problem with that theory is that the inlet to the sight glass is way below waterline so still something has to attract rust or rust at the Learn More

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