Pressure Cooker Services - Dallas

hi friends,
my hawkins 5 litre pressure cooker created a problem y'day. the air vent in the lid opened b'coz i cuked rice w/o water under the vessel. is there any shop in irving or in and around dallas where i cud get that repaired. or is there any other remedy for that. i hav an one year old kid and i hav to cuk dal for her daily. cuking dhals in vessels or MW doesnt turn good. all ideas and suggestions are expected as early as possible. pls help me girls.
Thanks in advance.
Priya