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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
including R-22 and R-407C
Temperature Element
installing this OEM-spec part is essential for maintaining the ANSI B109
modulating water regulating valve operates without an external power supply
Fail-Safe Design: Integrated dual internal safety switches prevent ignition unless the damper has reached the full 90-degree open position
Lochinvar & A.O. Smith 100166064 Pressure Switch 321702-401 including R-22 and R-407CThe Lochinvar & A. O. Smith 100166064 Pressure Switch is a critical safety component engineered for precise airflow monitoring in high efficiency water heaters and condensing boilers. Designed to prove the inducer motor draft before the ignition sequence begins, this genuine OEM pressure switch prevents the burner from firing if unsafe venting conditions, such as flue blockages or intake restrictions, are detected. This mechanical to electrical