F - Mech Eng,Light,Heat,Weapons – 23 – M
Patent
F - Mech Eng,Light,Heat,Weapons
23
M
F23M 7/00 (2006.01) F16B 2/22 (2006.01) F24C 15/04 (2006.01) F24H 9/02 (2006.01) F16B 5/06 (2006.01)
Patent
CA 2475065
An inner combustion chamber access door member for a fuel-fired water heater has main and pilot burner structures respectively supported thereon by gas supply tubes sealingly extending through and anchored to the door member, and is further provided with a wire pass-through tube and a sight glass opening. After the door member has been externally secured to a side wall portion of the water heater over an access opening therein, with the main and pilot burner structures disposed in the combustion chamber of the water heater, a lighting wand is extended through the sight glass opening to light and test the burners. Subsequently, a sight glass structure is snapped into the sight glass opening to complete the installation of the door/burner assembly. Thermocouple and igniter wires extend through the pass-through tube, and are sealed therein by a laterally split resilient cylindrical sealing plug member.
Blake Cassels & Graydon Llp
Rheem Manufacturing Company
The Water Heater Industry Joint Research And Development Consort
LandOfFree
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