Lochinvar TST2052 Pool Heater High Limit

Lochinvar TST2052 Pool Heater High Limit is a critical safety component for residential pool heaters. As a high temperature limit switch, it protects equipment by capping the water temperature at 175°F, reducing the risk of overheating and costly damage. This robust control is designed to withstand the demanding conditions of pool heating systems and to provide reliable shutoff when temperatures reach the set limit.

Designed for Lochinvar residential pool heaters and compatible with ER152/EN152/EL152/ER402/EN402/EL402 models, the high limit control is a dependable replacement part that helps maintain safe operation and consistent performance across seasons. It serves as a fail-safe component that technicians and homeowners can trust to safeguard pumps, heat exchangers, and thermostats.

Features are focused on easy installation, durable construction, and compatibility with existing wiring and control schemes. By integrating this high limit control, you’ll benefit from enhanced safety margins, reduced risk of damage during hard freezes or high-demand days, and peace of mind knowing your heater won’t exceed safe temperatures.

• Temperature rating 175°F maximum safeguard
• Compatible with Lochinvar ER152/EN152/EL152 and ER402/EN402/EL402 models
• High temperature limit switch for reliable overheating protection
• Durable, corrosion-resistant housing designed for outdoor pool equipment
• Easy installation as a replacement part with standard wiring connections