Honeywell 5820L vs 5818MNL

Honeywell’s 5820L is a slimline Door/Window Contact Transmitter and is nearly half the size of standard door/window transmitters.

Honeywell’s 5818MNL is a Recessed Door/Window Transmitter, has a tapered design and is nearly half the size of standard transmitters.

The 5820L is a one zone of protection.

The 5818MNL is a one zone of protection

The 5818MNL is a magnetic contact sensor that provides concealed protection for doors or windows, virtually disappears once installed

The 5820L is a is ideal for casement and double-hung windows

The 5818MNL does not have tamper protection

The 5820L has front cast tamper protection with optional back tamper

Both the 5820L and the 5818MNL operate on a 7 digit serial number and a loop number that must be programmed into a wireless zone in the control panel.

When both the 5820L and the 5828MNL senses a fault condition, the transmitter will send a fault signal to the control panel. Neither transmitter will send the restore signal until the physical contact is restored.

The 5818MNL operating temperature range is 32F - 122F

The 5820L operating temperature range is 32F - 120F

Both transmitters range of humidity is up to 95% non-condensing and neither are weatherproof.

Both the 5820L and the 5818MNL function almost identically. The main difference, the 5820L is surface mounted while the 5818MNL is recessed.