Lochinvar & A.O. Smith 100073343 Flame Sensor 318172-701 The Sensus 143-62-023-42 Orifice is

The Sensus 143-62-023-42 Orifice is a precision-engineered gas regulator component designed for exact flow control within the Sensus 143-80 service regulator series

This high-grade 3-way valve is built to withstand the thermal stresses of modern R-410A systems

You should cross-reference your chiller’s model and serial number with the York parts manual to confirm the 028-13577-000 is the correct callout for your application

Key Benefits Dual Functionality: Performs both gas flow modulation and pressure regulation in a single 2 1/2" NPT housing

How should the probe be positioned for the best accuracy

Lochinvar & A.O. Smith 100073343 Flame Sensor 318172-701 The Sensus 143-62-023-42 Orifice isThe Lochinvar and A. O. Smith 100073343 flame sensor is a critical safety component designed for precise flame rectification in high efficiency water heaters and boilers. Engineered to withstand high ambient combustion chamber temperatures, this direct spark ignition flame probe ensures the integrated control board receives a consistent microamp signal, preventing nuisance soft lockouts or ignition failures. This genuine OEM replacement part (formerly