and Sears furnace models

while compressor lockout protection prevents short-cycling to protect equipment integrity

which offer superior thermal resistance compared to standard HVAC actuators

it will lose its specific buoyancy

If you are retrofitting older valves from other manufacturers

Lochinvar & A.O. Smith 100163258 Bypass Assembly 30067439-890 and Sears furnace modelsThe Lochinvar & A. O. Smith 100163258 Bypass Assembly is a critical OEM component engineered for precision flow regulation in high performance hydronic systems. Designed specifically for EnergyRite Residential Pool Heaters (models ERN ERL 152 through 402, Non ASME), this bypass valve kit ensures optimal heat exchanger protection by maintaining the correct balance between bypass and through flow water. As a direct replacement for the obsolete Lochinvar