Lochinvar & A.O. Smith 100093632 Switch 320788-704 The integrated modulator-regulator design maintains

The integrated modulator-regulator design maintains a consistent manifold pressure

the transformer must be replaced after the underlying circuit fault is corrected

are specifically designed for high-pressure applications and offer broader compatibility with modern refrigerants compared to older SGN versions

offering a direct 1:1 replacement for vintage or modern boards that utilize this specific switching logic

this 3-phase Copeland scroll provides the axial and radial compliance necessary for superior liquid handling and operational longevity in the field

Lochinvar & A.O. Smith 100093632 Switch 320788-704 The integrated modulator-regulator design maintainsThe Lochinvar & A. O. Smith 100093632 Switch is a critical safety component designed for high efficiency commercial boilers and residential water heaters, including the Polaris PG series. This heavy duty air pressure switch is factory calibrated to a 1. 6" w. c. setpoint, ensuring the combustion blower provides sufficient drafting before the ignition sequence initiates. Utilizing an SPDT (Single Pole Double Throw) configuration with normally open (N.