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Williams DV Heater Vent Extension Kit
Price: $99 - $118
Williams DV30 Direct Vent Gas Heaters
Williams DV14 Direct Vent Gas Heaters
Williams DV22 Direct Vent Gas Heaters
This kit extends the vent cap away from the exterior wall which is
needed when mounting the vent cap to vinyl siding or greenhouse coverings to prevent
heated exhaust air from damaging those materials. The thin-wall collar is also
used needed when venting through walls less than 4 1/2" thick.
Williams Thin Wall Collar Installation Manual
The thin wall adapter made installation of my Direct vent Williams heater a snap