The Carrier HK52ER158 Motor Module is a high-performance 1 HP OEM replacement part engineered for exact compatibility with Carrier and Bryant residential and commercial HVAC systems

pressure relief valves must be installed with the spindle in the vertical position to ensure proper mechanical operation and drainage of the discharge line

this part is specifically calibrated for Reznor equipment

Key Benefits: 70 in-lb Torque: Ensures positive seal on fire and smoke dampers under high-velocity conditions

Engineering to meet ARI-700 standards

Lochinvar & A.O. Smith 100093769 Board R-134A The Carrier HK52ER158 Motor ModuleThe Lochinvar & A. O. Smith 100093769 Thermodisc Board Replacement Kit is a critical OEM component designed for AWHC control board restoration in high efficiency commercial and residential water heating systems. As a direct factory replacement for the legacy 6910605 thermodisc board, this kit integrates the latest logic to manage high limit safety cutouts and precise temperature monitoring. For technicians servicing Lochinvar Knight or A. O. Smith