Half Price Standard Code

Diverter Valves for Diversion of Rainwater or Storm Water for use in Alternate Nonpotable Water Source Systems
standard by International Association of Plumbing and Mechanical Officials, 2020

Chemical Dispensing Equipment with Backflow Protection
standard by International Association of Plumbing and Mechanical Officials, 2020

Expansion Joints and Flexible Expansion Joints for DWV Piping Systems
standard by International Association of Plumbing and Mechanical Officials, 2021

Non-sewered sanitation systems – Prefabricated integrated treatment units – General safety and performance requirements for design and testing (ISO 30500:2018, IDT)
standard by International Association of Plumbing and Mechanical Officials, 2019

2021 Uniform Plumbing Code, First Printing
standard by International Association of Plumbing and Mechanical Officials, 2021

Prefabricated Septic Tanks
standard by International Association of Plumbing and Mechanical Officials, 2019

Whirlpool Bathtub with Pressure Sealed Door and Optional Reservoir Tank
standard by International Association of Plumbing and Mechanical Officials, 2020

Flow Control Water Conservation Systems
standard by International Association of Plumbing and Mechanical Officials, 2019

Flashing and Stand Combination for Air Conditioning Units (Unit Curb)
standard by International Association of Plumbing and Mechanical Officials, 2019

Compression Fittings for Water Supply and Gas Piping Applications
standard by International Association of Plumbing and Mechanical Officials, 2020