Armstrong International A21348-1 Gasket automatically closing the circuit once

automatically closing the circuit once safe operating temperatures are restored

ensuring long-term reliability in demanding HVACR environments

as these brands are under the Johnson Controls umbrella

When performing routine maintenance or a full rebuild

Armstrong International A21348-1 Gasket automatically closing the circuit onceAs a veteran tech, you know that reuse of a body seal is a shortcut to a callback. The Armstrong International A21348 1 Gasket is the specific OEM replacement gasket required to maintain a pressure tight seal on B2 and B3 Series Float & Thermostatic Steam Traps. Precision cut for the B series steam trap cover, this gasket ensures optimal seating between the body and cap, preventing high pressure steam leaks that compromise system energy efficiency.