Graco 118899 Rocker Switch SPDT

The Graco 118899 Rocker Switch (SPDT) is a genuine OEM replacement power switch designed for dependable operation in various Magnum and LTS airless sprayers.

Type: Rocker Switch – Single Pole, Double Throw (SPDT)
Used On: Magnum X5, X7, LTS 15, LTS 17, ProX7, ProX9
Mounting: Snap-in panel with 0.250″ quick-connect terminals
Function: Main ON/OFF or pressure control power switch

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Description

Overview & Key Details

Compatible Machines

The Graco 118899 Rocker Switch (SPDT) is used on popular homeowner and contractor units. Confirm your exact model and series before ordering.

Magnum X5 (Series E)
Magnum X7 (Series E)
Magnum LTS 15
Magnum LTS 17
Magnum ProX7
Magnum ProX9
Tradeworks 170

About Graco 118899

Genuine OEM replacement rocker-style SPDT switch for the main power/pressure control circuit on select Graco airless sprayers. Designed as a snap-in panel mount with 0.250″ quick-connect terminals for fast service.

Quick Specs

Part Number	118899
Type	Rocker Switch, SPDT (Single Pole, Double Throw)
Mounting	Snap-in panel mount; accepts 0.250″ quick-connect terminals
Typical Use	Main ON/OFF or control switch on Magnum X5/X7 class sprayers and equivalents
Replaces/Related	Used in repair kits for X5, X7, and equivalent LTS/ProX models

What’s Included & Notes

1 × Graco 118899 Rocker Switch (SPDT)
Panel label/cover & control board are not included (order separately if needed)
Match by model and series (e.g., Series E for many X5/X7 units)

Installation Tips

Unplug the sprayer and discharge pressure fully.
Remove the front cover/enclosure to access the switch.
Transfer the two 0.250″ spade connectors to the new switch (note orientation).
Snap the new switch into the panel opening; reassemble the cover and test.

If the switch failed due to moisture, inspect/replace the pressure control switch and verify seals and gaskets.

Frequently Asked Questions

Many units use 118899, especially Series E models. Earlier series may use a different switch. Check your serial plate and parts manual to confirm the correct part number for your exact series.

Yes—select LTS 15 and LTS 17 models use the same snap-in SPDT rocker switch. Verify against your unit’s parts list before purchasing.

On most compatible models it serves as the main power/control rocker. If your unit has multiple switches, consult the wiring diagram to ensure you are replacing the correct component.

Typically no special tools—just a screwdriver for the cover and needle-nose pliers for the spade connectors. Always disconnect power and follow safety procedures.

Replace the switch and inspect for moisture paths. Check gaskets, the enclosure, and the pressure control switch. If the control board shows damage, follow the model’s service manual for diagnostic steps.