The Marley Engineered Products 410027000 Limit Switch is a critical OEM replacement hi-limit switch designed for QMark and Berko unit heaters

Simplified Installation: Standard 1/4 inch barbed port and spade terminals allow for rapid field replacement and reduced labor time

Regulated 24 VDC Output: Provides stable 300 mA current to prevent erratic sensor readings or control logic failures

How much wind-up does this sleeve allow

Functional Devices RIB2401D Relay The Marley Engineered Products 410027000The Functional Devices RIB2401D is a versatile enclosed pilot relay designed for demanding building automation and HVAC control applications. Featuring a 20 Amp SPDT contact rating, this pre wired relay simplifies installations by eliminating the need for separate electrical boxes. The unit operates on a 24VAC DC coil voltage or a 120VAC coil input, providing flexibility for various signal sources. Its NEMA 1 housing ensures durability in mechanical