Where can I get the B/W 1500 Induction Control Relay Installation & Service Manual?
Where can I get the B/W 1500 Induction Control Relay Installation & Service Manual?
You can find the 6-page B/W Controls 1500 Induction Control Relay Installation & Service Manual (Service Bulletin Z145.indd) at the links below.

It can also be found in the BOSHART Knowledgebase center at the link below.
https://support.boshart.com/how-do-i-install-a-bw-1500-series-induction-relay
The two-page B/W 1500 Series Relay Data Sheet can be found at the link below.

The Data Sheet is also copied in the BOSHART Knowledgebase center at the link below.
https://support.boshart.com/do-you-have-a-b/w-1500-series-induction-control-relay-data-sheet
Additional Resources.
https://support.boshart.com/does-my-induction-control-relay-system-require-2-or-3-electrodes
https://support.boshart.com/how-long-can-the-wire-between-the-induction-type-relay-to-electrode-be
https://support.boshart.com/can-i-ground-my-induction-type-relay-to-a-metal-tank-or-pipe