Resideo L4006E1117 Aquastat Controller 322838-752 technicians should avoid handling the

technicians should avoid handling the heating element directly

as a genuine York S1-324-36074-547

dedicated rod

Diagnostic Intelligence: Built-in checkout mode and status LEDs allow for rapid verification of damper logic and thermostat inputs without a multimeter

providing the flexibility needed to calibrate for specific motor full-load amps (FLA)

Resideo L4006E1117 Aquastat Controller 322838-752 technicians should avoid handling theThe Resideo L4006E1117 Aquastat Controller is a professional grade high limit manual reset immersion device engineered for precision liquid temperature regulation in hydronic systems, boilers, and storage tanks. Featuring an SPST switch that reliably breaks the circuit on temperature rise, this controller is a critical safety component to prevent equipment overheating. The unit is equipped with a 3 8" x 2 7 8" copper bulb and a 1 1 2" capillary,