Bacharach 19-3037 Probe StopBacharach 19 3037 is a Probe Stop designed for PCA and Model 300 systems. This OEM Bacharach part ensures precise probe seating and stable measurements for repeatable diagnostics. Engineered for quick, tool free installation, it integrates with your PCA or Model 300 refrigerant analyzer to maintain calibration between service intervals. Built for durability, the probe stop minimizes movement and drift, helping technicians achieve accurate readings

and pressure ranges cover a wide range of fluids and gases

helping technicians detect leaks quickly and confidently

reliable ignition on standard control circuits

flexible 12-inch air tube designed to ensure steady airflow and reliable performance for AO Smith 100109899 filtration setups

24 VAC coil at 50/60 Hz

providing efficient ignition under varied furnace conditions

5 to 1 in WC (outlet)

mounting plate

ensuring a smooth retrofit and continued hot-water performance

Maximum pressures: 150 PSI for water and air

it helps technicians complete rebuilds quickly without sacrificing performance

Key specifications at a glance: