

The Graco 16E644 Complete Heater Assembly is a fully assembled replacement heater unit designed for reliable heat output in compatible hot-water systems.
Graco 16E644 Complete Heater Assembly is a fully assembled replacement boiler/heater unit designed for select hot-water pressure washer systems. It ensures stable heat output and reliable thermal performance for consistent operation.
Below is the confirmed machine compatibility for this heater assembly:
| Part Number | 16E644 |
|---|---|
| Part Type | Complete Heater / Boiler Assembly |
| Application | Hot-water pressure washer heating system |
| Compatibility Status | Confirmed fit for 3540 GHW |
The 16E644 Heater Assembly provides complete heating performance for systems that utilize a built-in water heating chamber. This assembly includes the essential heater components required for dependable heat regulation and optimal functionality.
Its robust construction ensures durability, making it a reliable replacement option for maintaining proper operation of compatible hot-water units.
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