Graco 111936 Bridge Rectifier

Part Details – FITTING: Bridge Rectifier (Part # 111936)

The Graco part number 111936 is a genuine OEM bridge rectifier designed to convert AC input to DC output within Graco fluid‑delivery and spray systems. It supports the electrical control modules in various Graco machines.

Compatible Machines

This bridge rectifier is used in Graco machines that share the same electrical pressure control module architecture wherein the rectifier is listed as a replaceable component. A few of the known models include:

• Graco Model 308620 series sprayers/proportioners ‑ parts list references include item “Rectifier, Bridge – 111936”.
• Graco Model 307785 series sprayers (electrical/pressure‑control section) where “Bridge Rectifier Replacement” appears in repair instructions. :contentReference[oaicite:1]{index=1}
• Any other Graco equipment that uses the same electrical module identified in the above manuals and lists 111936 as part of the pressure control or power‑supply section.

**Before installation**, verify your machine’s parts breakdown to ensure it lists part # 111936 explicitly and confirm the electrical spec matches your system.

Key Features & Benefits

Installation & Usage Tips

• Power off the machine and lock out electrical supply before replacing the rectifier.
• Confirm the old rectifier part number and module schematic to ensure part # 111936 is correct for your model.
• Check any associated wiring connections, mounting hardware, and ensure proper heat‑sinking or insulation as required.
• After installation, perform the recommended “Bridge Test” as described in Graco’s repair manual to confirm correct output. :contentReference[oaicite:3]{index=3}

Frequently Asked Questions