Dwyer Instruments DFS2-DM20 Temp Switch 328140-751 You will need to purchase

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

capable of handling deep vacuum and high-side pressures up to 5

OEM Compatibility: Exact replacement for Carrier HK50AA039

Ensure the "TOP/HAUT" marking faces the top of the monitor to avoid bending the pins

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 You will need to purchaseThe 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