as this model relies on internal piloting

the NEMA 4X rating indicates the housing is designed for protection against hose-directed water and corrosion

It includes a 3/4 inch female NPT inlet and outlet

it provides enhanced corrosion resistance compared to standard brass

or as a safety high limit on the supply side

York S1-025-33328-000 Heating Element R-410A as this model relies onThe York S1 025 33328 000 Heating Element is a 15kW OEM replacement part engineered for high demand electric heat applications in York air handlers and modular blowers. Designed for 208 240V single phase systems, this heating element provides 15,000 Watts of supplemental or primary heating capacity. It is specifically compatible with the S1 2HK16501506 heater kit, ensuring a precise fit and factory spec electrical termination. As a veteran grade HVAC