Dwyer Instruments DFS2-DM20 Temp Switch 328140-751 This unit is rated for

This unit is rated for 230V single-phase operation

utilizing a 1/2" NPT brass control well that ensures high thermal conductivity and a leak-proof seal within the manifold or boiler tapping

You will need to purchase the appropriate cable set (available in 1

This bypasses the ASCD and forces the unit into defrost

you must use an AH series high-temperature actuator for any application involving steam or fluid temperatures reaching 250°F

Dwyer Instruments DFS2-DM20 Temp Switch 328140-751 This unit is rated forThe Dwyer Instruments DFS2 DM20 is a high performance low limit freeze protection switch engineered to protect cooling coils and heat exchangers in commercial air handling systems. Featuring a 20 foot copper capillary sensing element, this manual reset temperature switch monitors for the lowest temperature detected along any one foot section of the bulb. Once the temperature drops below the user defined safety setpointadjustable down to 34F (1C)the