Training & Forms

TRAINING VIDEOS

Denial process regarding expansion tanks.
DPI Founder/Owner/CEO John VanZyll discusses the denial process regarding expansion tanks.

Denial process regarding garbage disposals.
DPI Founder/Owner/CEO John VanZyll discusses the denial process regarding garbage disposals.

DPI Claim Form
DPI’s customer service representative, Jennifer Sapp, provides helpful hints on how to complete our referral claim form.

DPI Intro
An introduction to DPI.

Dryer Failures
An overview of why dryers fail.

DPI Featured in News about Home Safety
DPI is profiled by WVLT-TV8 reporter Steven Powell in Knoxville, TN concerning home safety.

DPI Featured in News about Battery Operated Candles
DPI is profiled by WATE-TV6 Reporter Don Dare in Knoxville, TN concerning candles sold for the holiday season.

DPI is profiled in a KIRO-TV Expose on SMC Fans
DPI is profiled on a KIRO-TV7 expose video on SMC fan failures.

An Overview of Supply Lines
Common supply lines, their use and what should be submitted for a successful inspection.

Polymeric Supply Lines
The use and types of polymeric supply lines and what should be submitted for a successful inspection.

Polybutylene Supply Lines
The use and types of polybutylene supply lines and what should be submitted for a successful inspection.

Why Solenoid Valves Fail
An overview of how solenoid valves fail and why destructive testing is necessary.

Toilet Valves
An overview of the different types of toilet valves, how they work and common failures.