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  2. Section 608 - Wikipedia

    en.wikipedia.org/wiki/Section_608

    An initial verification test must then be done within 30/120 days, and then a follow-up test within 10 days of that. There are additional clauses for extensions if needed. If the leak is not to be repaired, there must be a plan to retire or retrofit the appliance within 30 days, to be completed within one year.

  3. Ozone monitor - Wikipedia

    en.wikipedia.org/wiki/Ozone_monitor

    An ozone monitor of this type operates by pulling an air sample from the atmosphere into the machine with an air pump. [3] During one cycle, the ozone monitor will take one air sample through the air inlet, and scrub the ozone from the air; for the next cycle, an air sample bypasses the scrubber and the ozone value calculated.

  4. Ozonia - Wikipedia

    en.wikipedia.org/wiki/Ozonia

    Ozonia is a multinational water treatment equipment manufacturer headquartered in Zürich, Switzerland.. It operates under the company, Degrémont [2], which is a subsidiary of Suez Environnement [3], a French-based utility company which operates largely in the water treatment and waste management sectors.

  5. A. O. Smith - Wikipedia

    en.wikipedia.org/wiki/A._O._Smith

    The company manufactures the following types of water heaters for commercial uses: oil-fired, gas and electric, as well as boilers, storage tanks, and skid systems. It also provide the following accessories: pump tanks, and expansion tanks.

  6. Refrigerant reclamation - Wikipedia

    en.wikipedia.org/wiki/Refrigerant_reclamation

    The final rule published on May 14, 1993, requires that refrigerant sold to a new owner be reclaimed to the AHRI Standard 700 of purity by a certified reclaimer (Sec. 82.154(g) and (h) referencing standard in Sec. 82.164 and the definition of reclaim found in Sec. 82.152).

  7. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

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