This is a genuine Lennox OEM pressure switch

Automatic Reset Functionality: Eliminates manual intervention by resetting the circuit once the sensed temperature reaches the 45°F close setpoint

The York S1-2NH04501546 electric heater kit delivers a nominal 15 kW heat output designed specifically for integration with compatible York luxury series air handlers and residential package units

allowing contractors to customize the refrigeration capacity from 0

Does this control require a bulb or is it a capillary-only sensor

Watts 0121460 Valve 322838-752 This is a genuine LennoxThe Watts 0121460 Valve, specifically the Series 140X 9, is a high capacity pressure relief valve engineered for protection against excessive pressure in primary water heating systems. Featuring a 1 inch female NPT inlet and outlet and a set pressure of 150 PSI, this bronze body valve is rated for a substantial heating capacity of 3,085,000 BTU hr. Designed for heavy duty commercial and industrial applications, it utilizes a top guided stem and non