Every building having plumbing fixtures installed and intended for

human habitation, occupancy or usc on premises abutting on a street, alley or

easement where there is a public sewer, shall be connected to the sewer system.

• Principle #7

• Principle #5

• Principle #2

• Principle #11

All pipings of plumbing systems shall be of durable NAMPAP-

APPROVED materials, free form defective workmanship, designed and constructed

by Registered Master Plumbers to ensure satisfactory service.

• Principle #9

• Principle #22

• Principle #6

• Principle #20

No water closet shall be located in a room or compartment which

is not properly lighted and ventilated.

• Principle #20

• Principle #15

• Principle #16

• Principle #10

Sewage or other waste from a plumbing system which may be

deleterious to surface or sub-sutface waters shall not be discharged into the ground or into any waterway, unless first rendered innocuous through subjection to some acceptable form of treatment.

• Principle #22

• Principle #21

• Principle #18

• Principle #12

Supplant another Registered Master Plumber after definite

steps h::lve already been taken toward his/her being

commissioned to perform the contract.

• Code of Ethics #7

• Code of Ethics #3

• Code of Ethics #5

• Code of Ethics #2

Injure falsely or maliciously, directly or indirectly, the

reputation of another Registered Master Plumber by reviewing

his/her work for the same client unless the professional

services of the former have been officially terminated and 2-U

professional fees have been fully paid by the client;

• Code of Ethics #6

• Code of Ethics #3

• Code of Ethics #7

• Code of Ethics #1

The drainage piping system shall be designed to provide adequate

circulation of air free from siphonage, aspiration or forcing of trap seals under

ordinary use.

• Principle #15

• Principle #11

• Principle #17

• Principle #5

All premises intended for human habitation, occupancy or use shall

be provided with a supply of pure and wholesome water, neither connected with

unsafe water supplies nor subject to hazards of backflow or back-siphonage.

• Principle #2

• Principle #6

• Principle #12

• Principle #1

Advertise in self-laudatory language, act in any manner and

engage in any practice which tend to bring dishonor to the

dignity of the Registered Master Plumber, the National Master

Plumbers Association of the Philippines (NAMPAP) and the

plumbing profession.

• Code of Ethics #7

• Code of Ethics #5

• Code of Ethics #4

• Code of Ethics #1

Plumbing systems shall be subjected to such tests to effectively

disclose all leaks and defects in the workmanship.

• Principle #16

• Principle #20

• Principle #13

• Principle #5