01
Valve position
Mark where the shift occurs during normal handle travel.
Sheet 35 / Diagnostic set
Plot temperature changes against use and time
Map temperature change to valve position, flow, simultaneous use, duration, and equipment context.
A sudden swing, gradual cooling, delayed heat, or change during simultaneous use needs a different record. Stop any test that produces an unsafe temperature.
Call about the symptom877-702-1610
INPUTOBSERVETRACEVERIFYOUTPUTRECORD
S-01Symptom named
S-02Access mapped
S-03Provider unverified
S-04Scope pending
Identify the symptom
Five callouts for this drawing
Each note describes an action, not a diagnosis. Leave unsupported branches open.
02
Flow level
Note whether a lower or higher stream changes the pattern.
03
Time band
Separate immediate swings, delayed warming, and gradual cooling.
04
Concurrent demand
Record the exact fixture or appliance operating at the same time.
05
Work history
Attach recent valve, cartridge, piping, or heater service details.
Trace the source
Follow evidence through the branch
Note valve position, flow, duration, affected fixtures, another fixture or appliance in use, recent work, and the equipment context visible from outside. A professional should decide the diagnostic route.
Repair route and access map
Define the boundary before authorization
Retain the supported component or system finding, adjustment or replacement, demonstrated safe range, interaction check, products, approvals, and warranty.