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SAP Monitor Replacement
Frequently Asked Questions

Facet has worked with our Engineering and Development teams to develop this reference of Frequently Asked Questions
we are receiving from the industry regarding SAP Monitor Replacement. We will be updating as more information becomes available.

Having been a leading supplier of aviation filtration solutions for 80 years, Facet has a long history as an industry leader with refined fuel filtration. We have included below some of our frequently asked questions for quick reference regarding SAP Monitor Replacement technologies.

This page attempts to answer all the questions we get asked often. If you cannot find the answer to your specific question, please contact us or submit a question by filling out the form located at the bottom of this page.

EI-1598 EWS and EI-1599 Dirt Defense

Are the Dirt Defense Filters “Plug and Play” into current Monitor Vessels?

Yes, however they are required to be used in conjunction with an approved EWS and significant equipment modifications are required in order to install the EI-1588 EWS.

Are Electronic Sensors installed downstream from the vessel prior to fueling the aircraft?

Yes, the EWS is required to be installed downstream of the filter vessel due to the potential of a water slug forming in the filter vessel over time.

Can the EI-1599 Filters maintain the same GPM flow rate that the EI-1583 Monitors could?

Yes

What is the cost of the EI-1599 Filters compared to the EI-1583 Monitors?

Approximately 3X the cost of currently used Monitor Elements

How often do EI-1599 Filters need to be replaced?

15 PSI or every 3 years based on ATA 103, 5 years based on JIG, whichever takes place first. An annual inspection of the cartridges for integrity and microbial growth is required.

What is the Total Cost of Installation for the EI-1598 EWS system?

Conservatively — $20,000 — $30,000 USD.

Does the EI-1598 EWS require recertification/calibration?

Yes, based on ATA 103 requires annually. JIG requires this annually after the first 2 years.

What is the cost of recertification/calibration for EI-1598 EWS?

Conservatively $1K

Can the EI-1599 Filters be used with pre-blended fuel?

Yes

If the EI-1598 EWS senses water and shuts down when fueling the plane, what is the procedure to continue fueling?

It is required to bring in a system with water removing technology.

Have a different question regarding Monitor Replacement?

Complete this form and one of our fuel filtration specialists will reach out to you directly to provide a response.