Refer to the wiring diagram on the unit's door for a full code legend

While the 097882 functions as a low-limit safety

Precise Signal: The 1k ohm at 70

this valve is designed to handle high flow rates with a 1

Regular seasonal maintenance with a genuine Aprilaire 35 water panel preserves the efficiency of the whole-house humidifier and helps protect internal HVAC components from the corrosive effects of mineral accumulation

Lochinvar & A.O. Smith 100208464 Ignition Module Refrigerant Refer to the wiring diagramThe Lochinvar 100208464 Ignition Module is a critical replacement control for Copper Fin II series water heaters and boilers, providing precise electronic sequencing for hot surface ignition (HSI) systems. This HVACR control board is a direct functional equivalent to the RLY2402 and RLY2402K kits, designed to handle the rigorous demanding cycles of commercial and high end residential Lochinvar and A. O. Smith units. It monitors flame rectification and