Product Overview

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FIGURE 25: GAS VALVE DETAIL - HONEYWELL VR8204 AND VR8304
NOTE
When substantial amount of make-up water is used due to lost condensate, or when make-up water is hard or corrosive,
watertreatmentisrequired.Contactqualiedwatertreatmentcompanyforrecommendedwatertreatmentcompounds
and procedures.
e) Turn off gas supply to boiler per the Operating Instructions - see Figure 23. Drain hot water from boiler through
boilerdrainvalvetoalocationwherehotwatercanbesafelydischarged.Relltheboilertonormalwaterlinelevel.
If water in the gauge glass does not look clear, repeat above boil-out procedure again until water is clears.
f) Reinstall safety valve and related piping.
g) Conduct pH and Alkalinity test of water in the system. The pH reading should be in 7 to 11 range.
XI. System Start-up (continued)