Verified Compatibility: Direct OEM match for York equipment ensuring proper shaft diameter and mounting alignment

Corrosion Resistance: Durable metallic finish protects the component from moisture and humidity common in air-cooled systems

Reliable Safety: Features a manual reset high-limit switch to prevent tank overheating and potential failure

it requires a manual power cycle at the thermostat or breaker if it enters a lockout state after the single ignition trial

Measuring 20x20x1

Lochinvar & A.O. Smith 100076100 Surge Box THPU32HP7Y Verified Compatibility: Direct OEM matchThe Lochinvar & A. O. Smith 100076100 Surge Box is a critical genuine OEM surge box kit designed to integrate into the high voltage junction box of specific commercial and residential tankless water heater parts. This component acts as a power surge protector, utilizing high grade metal oxide varistors (MOVs) to manage transient voltage spikes that can otherwise compromise sensitive integrated controls and blower assemblies. In the field, this unit is