Hirsch Pipe & Supply in Chula Vista is a plumbing and HVAC wholesale distributor on Jayken Way, operating as the company's fourth San Diego County branch within a Southern California network founded in 1933. Plumbing contractors at Primo Plumbing and across the South Bay source copper pipe, PEX tubing, water heaters, and drainage fittings from the Chula Vista counter, which opened in 2018 as the chain's 22nd location statewide. The branch stocks residential and commercial plumbing inventory alongside HVAC components, including condensate pumps, refrigerant linesets, and furnace parts that support same-day deliveries to job sites across the 91911 corridor. HVAC technicians at firms including All Aire Heating & Cooling use the mobile-ordering platform HirschNOW to pull ductwork fittings, thermostatic controls, and air-handler parts without leaving active installations. The branch maintains deep inventory in Schedule 40 PVC, cast-iron no-hub fittings, and ProPress copper systems sized from half-inch residential lines through four-inch commercial mains.