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The Sterling 11J42R00433009 Bearing is a critical OEM replacement part designed for high-performance Sterling HVAC unit heaters
Direct Compatibility: Drop-in replacement for 21-542 and HKN-E5-160-3
use the larger seal (203999) for spring return motors and the smaller seal (203888) for non-spring return motors to ensure a proper weatherproof seal
Enhanced Circuit Protection: Engineered to withstand thermal cycling and voltage fluctuations common in residential HVAC control systems
Field-Adjustable Setpoints: Allows for fine-tuning of WC pressure settings to meet the specific requirements of various burner manifolds
Conbraco 19-KEDA-100 Valve Freon The Sterling 11J42R00433009 Bearing isThe Conbraco 19 KEDA 100 is an ASME Section I certified steam pressure relief valve designed for power boiler applications high pressure steam service. This high capacity safety valve features a 3 4" Male NPT inlet and a 1" Female NPT outlet, factory set at 100 PSI. Built with a rugged brass trim and a durable Teflon seat, the 19 KEDA 100 ensures positive shut off and high temperature resistance, maintaining a discharge capacity of 1,152 pounds per