Sherman Enterprises - PO Box 1802, Union, NJ 07083- (800) 468 9283 This company charged $375 for the labor of installing a complete burner assembly for a gas-fired hot water heater on Jan. 11, 2011 (the manufacturer provided the part free of charge) The work took approximately 30 minutes. Two technicians came but there is only room for one person to work at the water heater. The manufacturer (Whirlpool) told me that a typical charge would be $100 and up but that it was at the discretion of the company doing the installation. This wa... read full review »