This kit is a critical component for field-servicing pilot-operated regulators

The York S1-363-93501-000 Condensate Drain Pan is a critical OEM replacement part engineered for high-performance moisture management in York HVAC packaged units

this is the module wire harness only

the internal metering piston must be ordered separately based on the specific tonnage and refrigerant type of your unit

Laars Heating Systems RE2105500 Diagnostic Board 318423-701 This kit is a criticalMaintain the operational integrity of high efficiency hydronic systems with the Laars RE2105500 Diagnostic Board. This OEM replacement diagnostic control board is a critical component for monitoring real time system performance and resolving complex lockout conditions. Designed to interface directly with Laars heating systems, this board processes input signals from sensors and safety limits to ensure precise combustion and ignition sequencing. As an