LAWRENCE M DULAC
Plumbers in Belmont, NH

License number
Massachusetts 24544
Issued Date
Jul 19, 1996
Expiration Date
May 1, 2016
Type
Journeyman Plumber
Address
Address
Belmont, NH 03220

Personal information

See more information about LAWRENCE M DULAC at radaris.com
Name
Address
Phone
Lawrence Dulac
13 Darby Ln, Bedford, NH 03110
Lawrence Dulac
45 South Rd, Deerfield, NH 03037
(603) 858-8620
Lawrence Dulac
45 South Rd, Deerfield, NH 03037
(603) 463-9000
Lawrence M Dulac
45 South Rd, Deerfield, NH 03037
(603) 463-8893
Lawrence M Dulac
515 Union Rd, Belmont, NH 03220
(603) 528-2384

Professional information

See more information about LAWRENCE M DULAC at trustoria.com
Lawrence Dulac Photo 1
Pressure Relief Valve With Reverse Threaded Inlet

Pressure Relief Valve With Reverse Threaded Inlet

US Patent:
2011016, Jul 14, 2011
Filed:
Mar 23, 2011
Appl. No.:
13/069955
Inventors:
Lawrence M. Dulac - Belmont NH, US
Assignee:
Larco LLC - Belmont NH
International Classification:
F16K 17/38, F16K 51/00, F16K 17/04
US Classification:
137468, 251148, 137535
Abstract:
A safety discharge system comprises a pressure relief valve having an inlet, designed to mate with an outlet of a heating appliance, and a relief outlet, wherein at least the inlet of the pressure relief valve and the outlet of the heating appliance include a threaded region, and wherein the threaded region is threaded with a reverse or left handed thread.