it breaks the circuit to the gas valve as a safety measure while keeping the fan energized to cool the heat exchanger

Corrosion Resistance: Durable powder-coated finish prevents rust and degradation in high-moisture outdoor environments

As a Totaline capacitor

Direct OEM Compatibility: Verified replacement for 21L89 and 21L8901 part numbers

The integrated dual-barbed connectors are designed to provide a leak-proof seal with both 3/16" and 1/4" ID flexible tubing

Emerson Alco 032207 Power Assembly 30067439-890 it breaks the circuit toThe Emerson Alco 032207 Power Assembly is a high performance XB 1019B 1B replacement part designed for precision liquid injection applications. This component features a 1 4" SAE flare equalizer and a 5 foot capillary tube, providing the necessary reach for complex evaporator configurations. Built for durability in demanding HVACR environments, this thermostatic expansion valve power head ensures stable superheat control across a specialized