S7810M

S7810M ModBus Module operates as ModBus RTU slave device.

S7810B

S7810B Multi-Drop Switch Module primarily used for communications interface for multiple 7800 SERIES subnetworks.

S7800

Provides current status of burner sequence, timing information, hold information and lockout information, as well as selectable or preemptive messages.

S7810

Supports remote mounting of S7800 Keyboard Display Module, personal computer communications interface and remote reset.

S7830

Microprocessor-based expanded annunciator to support the 7800 SERIES relay modules for first-out annunciation, sequencing, system or self-diagnostics and troubleshooting.

S7800A for Valve Proving

Provides current status of burner sequence, timing information, hold information and lockout information, as well as selectable or preemptive messages.

S7820

Serves as link between remote reset pushbutton and relay module. Allows 7800 SERIES relay module to be reset from a remote location.