This expansion module ensures that HVAC zone prioritization and temperature regulation remain consistent across all zones without increasing the electrical load beyond standard transformer capacity limits

and 102186-01 without field modifications

this kit provides the high-temp resiliency required for Class 250 rating compliance

What linkage is required for valve applications

which are the industry standard for most Bloomfield and Newco internal wiring harnesses

Lochinvar & A.O. Smith 100110093 Contactor R-410A This expansion module ensures thatMaintain the integrity of your high amperage commercial heating systems with the Lochinvar & A. O. Smith 100110093 Contactor. This heavy duty 3 pole contactor is engineered for high demand applications, featuring a 120V coil and a 50 amp resistive rating (40 FLA). Designed as a genuine OEM replacement for part numbers including 9004816105, it ensures precise electrical switching for commercial water heaters and boilers from brands like Lochinvar, A.