High Amperage Capacity: Rated for 30A resistive and 20A ballast

It is typically necessary for low-temperature R-404A applications or when using newer HFO blends where discharge temperatures naturally exceed safe limits

it can be adapted for other surface-mounted pneumatic thermostats featuring similar dimensions (approximately 4-13/16" L x 3-1/2" W)

0000 gaskets to provide a secure fit and eliminate the need for secondary sourcing of seals

this heavy-duty water column casting features the standard 1-1/4 inch NPT steam equalizing tappings and integrated ports for gauge glass and tri-cock sets

Lochinvar & A.O. Smith 100076222 Control Board 320788-704 High Amperage Capacity: Rated forControl Board