Carrier HT680054 Transformer this specific orifice is color-coded

this specific orifice is color-coded red and sized exclusively for liquid propane (LP) gas

this is a standard replacement power element for both HF (fixed) and HFK (take-apart) series valves

then turn clockwise five full rotations to engage the spring

a field-proven 120V silicon carbide hot surface igniter designed for maximum durability in gas-fired furnaces and boilers

the internal diaphragm has likely lost its structural integrity or developed micro-perforations

Carrier HT680054 Transformer this specific orifice is color-codedThe Carrier HT680054 Transformer is an essential OEM component designed for high reliability voltage step down in residential and light commercial HVAC systems. This 40VA control transformer efficiently converts a 120V primary voltage to a stable 24V secondary output, providing the necessary Class 2 power for integrated furnace control boards, 24V contactor coils, and electronic thermostats. Built to meet rigorous factory specifications, the HT680054