Weil McLain 510-312-019 Limit Control 30067439-890 and nickel-plated brass stem are

and nickel-plated brass stem are built to withstand fluid temperatures from 0°F to 250°F and body pressures up to 600 psi

Advanced Operational Control: Includes sensor offset for calibration and temperature setback functionality via a binary input for energy-saving cycles

it can often be wired to replace a Single Pole

This board is specifically calibrated for the sensors and timing sequences of the 1087562 series

They are designed to prevent back-siphonage only and cannot be subjected to backpressure or continuous pressure for more than 12 hours in a 24-hour period

Weil McLain 510-312-019 Limit Control 30067439-890 and nickel-plated brass stem areThe Weil McLain 510 312 019 is a high performance aquastat limit control specifically designed for GV series boilers and related hydronic heating systems. As a critical safety component, this high limit temperature control monitors system water temperatures and provides essential thermal protection by interrupting the burner circuit if temperatures exceed the safe operating threshold. This specific assembly comes equipped with a 1 2 inch NPT immersion