Description
Spectra EL-MTR-PWMA Spectra PWM Assembly 12V/24V
Brand: Spectra Watermakers Part number: EL-MTR-PWMA
The Newport 400 Connect and MkII-Z feed-module drawing identifies EL-MTR-PWMA as the motor-speed control beside the pump motor. The Newport 700/1000 drawing also identifies a PWM assembly in the 24 V DC electrical arrangement; match the system, voltage and controller version before replacement.
Manufacturer manuals and downloads
- Spectra Parts Identification Manual — November 2020 (legacy reference) (PDF)
Exact part label on the cited legacy system drawing; other systems and generations are included in this manual. No universal fitment or latest-edition claim.

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