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We show you what 150 PSI looks like.

Thermal expansion, T&P relief, and closed-system pressure dynamics — simulated per-minute against your actual household draw. Watch the gauge climb. See when the relief valve fires. Verify the install is safe before you book.
METHOD
Stratified layers · 8-zone model
STANDARD
ASME BPVC · UPC 608.5 · T&P 150 PSI
SIM RATE
1 sim-min per 1 sec · adaptive
Code Violation · Pressure Regulator Required
Static pressure exceeds 80 PSI code limit.
NOMINAL · SYSTEM STABLE
Day 1 · 06:00
Street: 60 PSI
Tank top: 125°F
System P: 60 PSI
Active draw: 0.0 gpm
System Type
With backflow preventer
Pressure Regulator
Setpoint 70 PSI
Street Pressure
70PSI
Typical residential: 50–80 PSI
Setpoint Temp
125°F
DOE recommends 120°F
Expansion Tank Precharge
40PSI
Should match street
Live Pressure & Flow
Day 1 · 06:00
City
60
PSI Street
PRV
70
PSI Set
Water Heater · 50 gal
125°F
Expansion Tank
OPERATIONAL
T&P Valve
ARMED
150 PSI · 210°F
System Pressure
60
PSI
Approved Location
0.0 gal discharged
No fixtures yet Add events to the timeline below — each fixture type will appear here
Safety · Pressure
Peak PSI today
60
T&P firings
0
Water discharged
0.0 gal
Capacity · Hot Water
Burn cycles
0
Hot gal delivered
0.0
Usable within spec
0.0
Lowest tap temp
Cold events
0
System Events
Build your day below, then press Play
Schedule your day below, then press Play
Your Day · 5 AM → 9 PM
0 FIXTURES SCHEDULED
Shower 1
Shower 2
Shower 3
Bath
Kitchen
Laundry
Build your day ↓
Tap a fixture button to schedule it at a sensible time
Tap to add ▸
WaterHeaters Intelligence Report
Capacity · Hot Water Delivery
Safety · Pressure & T&P
What This Means For You
Book This Install ▸
Add Shower
Start time
6:30 AM
Quick picks
Lasts 8 min until 6:38 AM
⚠ This will overlap with another fixture — creates concurrent demand