Burnham CHG225 Boiler User Manual


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Figure 6.7b: Star-34 Connections
l) Cuttheexcessjoinerbandsothatitlaysatinthebeadedchannel(Fig6.7b).
m)Filltheinletofthebeadedchannelwithsilicone.Smooththesiliconeoverthechannelinletaswellasthe
siliconebetweenthefemaleendandthestopbeadofthemaleend(Fig6.7b).
n) RepeatSteps(h)–(m)fortheremainingStar-34components.
p) Allowthesiliconetocureperthesiliconemanufacturer’sinstructionsbeforeoperatingtheboiler. 
5) AssemblyofZ-FlexZ-VentIII:
a) General Notes:
• Non-expandedendsofSVESeriesIIIpipingsectionsmaybecutusingaviationsnipsora24threadperinch
hacksaw.Fileorsandthecutendsmoothbeforeassembling.Seethefollowinginstructions.
• Supporthorizontalpipingsectionsatintervalsof48”orless.
• VerticalventingsystemsmustbesupportedbyatleastoneZ-Flexrestop.Anadditionalvertical
supportisrequiredafteranyoffsetandasrequiredbytheZ-VentIIIinstallationinstructions.
b) Startassemblyoftheventsystemattheboiler.RemovethehoseclampshippedontheCHGventcollar.
Bendthethreehoseclamptabsonthiscollaroutwardslightly.
c) Cleantheexteriorofthemaleendoftherstpieceofpipeandtheinsideoftheventcollarontheboiler.
Removedirt,grease,andmoisturefromthesurfacestobesealed.Drysurfacesorallowtodrythoroughly.
d) Onthemaleendofthepipe,applya¼”widebeadofhightemperaturesiliconeapproximately½inchfrom the
maleendofthepipe.Apply¼”beadsofsiliconealongbothsidesofthelongitudinalseam(Fig.6.8).
e) Insertthemaleendofthepipeintotheboilerventcollaruntilitbottomsout.
f) Applyanadditionalbeadofsiliconeovertheoutsideofthejointandsmoothout.
g) Replaceandtightentheclampontheventcollar.
h) ThefemaleendofeachZ-VentIIIcomponenthasasiliconesealinggasket.Examineallventcomponents
toinsurethatthegasketintegrityhasremainedduringshipping.Gasketsmustbeintheproperpositionor
uegascouldleakresultingincarbonmonoxidepoisoning.
Figure 6.7a: Star-34 Connection to Vent Collar
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