or the unit entering a lockout state due to a failed flame rectification signal

using this white color-coded spring ensures the pilot maintains the ±0

As a dual power thermostat

Constructed from high-tensile

OEM specification is recommended for critical building automation paths

Lochinvar & A.O. Smith 100166229 Pressure Switch 30067439-890 or the unit entering aThe Lochinvar & A. O. Smith 100166229 Pressure Switch is a critical safety and operational component designed for high efficiency hydronic systems. This OEM replacement pressure switch is a Single Pole Double Throw (SPDT) device, factory calibrated to a 1. 25" WC (Water Column) set point. It serves as a direct cross reference for the discontinued PRS30009, ensuring seamless mechanical and electrical integration without the need for field