Lochinvar TST20009 is an outlet/high limit sensor designed for use in various Lochinvar hydronic heater models. This replacement part monitors outlet temperature and ensures safe operation by triggering high-limit conditions. It is compatible with a wide range of models including AWL, AWN, FTX, KBL, KBN, WBL, WBN, XLPL, XLPN, and XPL series, providing essential temperature regulation for heating systems.
Functions as an outlet/high limit sensor.
Designed as a replacement part for heating systems.
Compatible with numerous Lochinvar hydronic heater models.
Product Highlights
Monitors outlet temperature and high-limit conditions for safe operation in compatible Lochinvar heating units.