Laars Heating Systems 2400-550 Limit Switch Els PW 17895 Common Questions & Technical Support:

Common Questions & Technical Support: Is the 1173900 compatible with my specific air handler model

you only need to purchase replacement media (410

the 751P-MT-SP-120 includes a built-in test switch for streamlined diagnostic verification without needing to drain the system

5-ton R-22 systems to maintain exact superheat levels

suggesting the valve is stuck closed or restricted

Laars Heating Systems 2400-550 Limit Switch Els PW 17895 Common Questions & Technical Support:The Laars Heating Systems 2400 550 is a critical OEM boiler part engineered for high limit temperature protection in residential and light commercial hydronic systems. This 200 230F AUTO Limit Switch functions as a fail safe high limit control, designed to interrupt the burner circuit if heat exchanger temperatures exceed safe operational parameters. Specifically calibrated for the Laars Endurance EBP, EDN, and EDP series (sizes 110 175), this exhaust