Lochinvar & A.O. Smith 100167865 Board L99H008 providing stable evaporation at medium-temperature

providing stable evaporation at medium-temperature setpoints

For a professional

utilizing a clockwise (CW) rotation to match factory specifications

This natural gas valve features a standard 3/4" x 1/2" NPT connection and is factory-calibrated to 3

The 193-B is a water column style controller specifically designed with a larger body and 1-1/4 inch NPT tappings (compared to 1 inch on the standard 93 or 193-D) to match specific commercial steam boiler manifold requirements

Lochinvar & A.O. Smith 100167865 Board L99H008 providing stable evaporation at medium-temperatureWhen you're out in the field servicing high performance Shield water heaters, the Lochinvar & A. O. Smith 100167865 Board is the backbone of the system's logic and safety. Formerly known by part number RLY30112, this integrated control board is a genuine OEM replacement part engineered specifically for the Shield SNR126, SNR151, and SNR201 models. As an HVAC technology professional, you know that keeping these units running at peak thermal efficiency