Do I need to replace the control board alongside this stat

Is an RTV sealant required for this repair

or if head pressure becomes difficult to stabilize

this assembly includes both the 3/4 HP motor and the pre-programmed ECM control module as a complete unit for plug-and-play installation

this aquastat controller operates within a 40-180°F range

Lochinvar & A.O. Smith 100208063 Filter 320735-701 Do I need to replaceEnsure terminal velocity and combustion stability in high output hydronic systems with the Lochinvar & A. O. Smith 100208063 heavy duty filter. This 16x16x1 boiler air filter is an OEM spec replacement engineered to meet the high static pressure requirements of commercial heating equipment. Designed specifically for the intake side of Lochinvar Power Fin series units, this 100208063 replacement filter maintains the laminar airflow necessary for