The Reznor 193810 is calibrated for standard installations between 0 and 4

this unit is engineered for horizontal mounting and provides reliable pneumatic room control for heating and cooling transitions

Key Benefits Ensures accurate actuator spring tension and alignment for consistent valve modulation

This model is versatile

the coil has likely failed

Lochinvar & A.O. Smith 100288892 Gasket 322838-753 The Reznor 193810 is calibratedMaintain the high efficiency seal of your heating equipment with the Lochinvar & A. O. Smith 100288892 Gasket. Specifically engineered for the burner assembly on Aquas models AP 400 through 600 commercial pool packages and compatible boilers, this genuine OEM replacement part ensures a gas tight interface between the burner and the heat exchanger. Fabricated from high grade, heat resistant materials, these gaskets are designed to withstand the extreme