Plumbing Line Item Codes

Air admittance valve (AAV) - 1.5” to 2”: This line item refers to the installation or replacement of an air admittance valve (AAV) with a diameter of 1.5” to 2”. An AAV is a device used in plumbing systems to allow air to enter the drainage system without letting gases escape. It helps maintain proper air pressure in the pipes, ensuring efficient drainage and preventing sewer gases from entering the building.

Air admittance valve (AAV) - 3” to 4”: This line item refers to the installation or replacement of an air admittance valve (AAV) with a diameter of 3” to 4”. This larger AAV is used in plumbing systems to regulate air pressure within larger drainage pipes, ensuring proper flow and preventing the escape of sewer gases into the building.

Acid waste piping: This line item refers to the installation or replacement of acid waste piping, which is specifically designed to handle and safely transport acidic waste liquids. These pipes are commonly used in laboratories, hospitals, and industrial settings where chemical waste needs to be managed without causing damage to standard plumbing materials.

Acid waste piping - Fire resistant - PVDF: This line item refers to the installation or replacement of fire-resistant acid waste piping made from polyvinylidene fluoride (PVDF). PVDF is a durable, chemical-resistant material that can withstand high temperatures and corrosive substances, making it suitable for environments where fire safety and chemical resistance are critical.

P-trap assembly - Acid waste piping (PVDF): This line item refers to the installation or replacement of a P-trap assembly specifically designed for acid waste piping made from PVDF. A P-trap is a plumbing fixture that traps debris and prevents sewer gases from entering the building while allowing acid waste to flow through safely.

Acid waste neutralization tank: This line item refers to the installation or replacement of an acid waste neutralization tank. These tanks are used to neutralize acidic waste before it is discharged into the sewer system, preventing damage to plumbing and municipal sewage systems. They are essential in laboratories and industrial settings where acidic waste is generated.

Plumbing (Agreed Price): This line item refers to plumbing work performed at an agreed-upon price between the contractor and the client. It covers various plumbing tasks that are not specifically listed as separate line items, ensuring a clear and mutual understanding of the work to be completed and its cost.

Compressed air piping: This line item refers to the installation or replacement of piping systems designed to transport compressed air. These systems are commonly used in industrial and commercial settings to power pneumatic tools, machinery, and other equipment that operates using compressed air.

Dental air compressor: This line item refers to the installation or replacement of a dental air compressor. These compressors are used in dental offices to provide a continuous supply of compressed air for dental tools and equipment, ensuring they function efficiently and safely during dental procedures.

Automatic water shut-off valve (smart home compatible): This line item refers to the installation or replacement of an automatic water shut-off valve that is compatible with smart home systems. These valves can detect leaks and automatically shut off the water supply to prevent flooding and water damage, providing an added layer of protection and convenience for homeowners.

Bidet - faucet w/fittings: This line item refers to the installation or replacement of a bidet faucet along with its fittings. The bidet faucet is a plumbing fixture that provides a stream of water for personal hygiene, and the fittings ensure proper connection to the water supply and secure installation.

Bidet - faucet w/fittings - High grade: This line item refers to the installation or replacement of a high-grade bidet faucet along with its fittings. High-grade fixtures are typically made from premium materials, offering enhanced durability, aesthetics, and performance for a more luxurious and reliable bathroom experience.

Bidet - faucet w/fittings - Premium grade: This line item refers to the installation or replacement of a premium-grade bidet faucet along with its fittings. Premium-grade fixtures are top-of-the-line, offering superior quality, advanced features, and exceptional durability for the ultimate in bathroom luxury and functionality.

Backflow preventer - 10” - single check valve: This line item refers to the installation or replacement of a backflow preventer with a 10” single check valve. A backflow preventer is a device that stops contaminated water from flowing back into the clean water supply, protecting the water quality. The single check valve provides a basic level of backflow prevention.

Backflow preventer - 4”: This line item refers to the installation or replacement of a backflow preventer with a 4” diameter. Backflow preventers are critical in plumbing systems to prevent contaminated water from reversing flow and entering the potable water supply, ensuring safe and clean water.

Backflow preventer - 8”: This line item refers to the installation or replacement of a backflow preventer with an 8” diameter. These devices are essential in larger plumbing systems to prevent backflow contamination, ensuring the safety and purity of the water supply.

Backflow preventer - 1” - Dual check valve: This line item refers to the installation or replacement of a backflow preventer with a 1” dual check valve. Dual check valves provide an extra layer of protection against backflow, ensuring that contaminated water does not enter the clean water supply.

Backflow preventer - 3/4” - Dual check valve: This line item refers to the installation or replacement of a backflow preventer with a 3/4” dual check valve. This device is used to prevent the reverse flow of contaminated water into the clean water supply, providing enhanced protection with dual check mechanisms.

Butterfly valve - 3”: This line item refers to the installation or replacement of a 3” butterfly valve. Butterfly valves are used in plumbing systems to regulate the flow of liquids. They are known for their quick operation and compact design, making them suitable for various applications where space is limited.

Butterfly valve - 4”: This line item refers to the installation or replacement of a 4” butterfly valve. These valves are used to control the flow of fluids in plumbing systems and are appreciated for their efficiency, easy operation, and minimal space requirements.