Lochinvar & A.O. Smith 100208550 Limit Switch 321894-709 While the diameter is standard

While the diameter is standard

if it exceeds the manufacturer’s specifications (typically 2-3 PSI for most AC applications)

This part is specifically sized for KN-4 dimensions

What is the maximum pressure limit for this bowl

Flexible System Integration: Rugged 1" NPT connections and a field-upgradeable design allow for the seamless addition of LWCO protection

Lochinvar & A.O. Smith 100208550 Limit Switch 321894-709 While the diameter is standardMaintain critical system safety and prevent thermal over run with the Lochinvar & A. O. Smith 100208550 Limit Switch. As a genuine OEM replacement part, this high limit outlet sensor is engineered to provide precise temperature monitoring for commercial and residential water heating applications. Veteran contractors recognize this part by its legacy number TST2061K, designed specifically to integrate with the control logic of high performance hydronic