SNTU / THE MODERN LIFE MANUAL™
PILLAR 03FIELD MANUAL CURRICULUM

KNOW HOW YOUR HOME ACTUALLY WORKS.

Maintenance, repairs, utilities, HVAC airflow and MERV ratings, electrical breaker panels, plumbing, main water shutoffs, and protecting your living space.

KEY SYSTEMS COVERED:

Main Water Emergency Shutoff ValvesHVAC Filter Airflow Arrows & MERV LimitsCircuit Breaker Tripping & Load DistributionWater Heater Anode Rod ReplacementSmoke & Carbon Monoxide Detector ExpirationsRenter vs. Homeowner Maintenance Boundaries

HOME FIELD MANUALS (3)

PRACTICAL KNOWLEDGE
SNTU field manual diagram of a main residential water shutoff valve with clear direction arrow
FM-HM-001HOME
03 / HOME•4 min read

If a pipe bursts tonight, do you know how to stop the water?

Water damage causes thousands in damage within minutes. If you have to search for the shutoff valve while water is shooting through your ceiling, you're already too late.

READ THE MANUALUPDATED 2026-08
SNTU field manual diagram illustrating HVAC furnace filter airflow arrow and directional wire mesh support
FM-HM-003HOME
03 / HOME•3 min read

This HVAC filter has an arrow. It actually matters.

Putting an air filter in backward chokes your blower motor, bends the frame, and lets dust bypass directly into your evaporator coils.

READ THE MANUALUPDATED 2026-07
SNTU field manual diagram pointing out manufacturer date of manufacture stamp on back of smoke detector
FM-HM-009HOME
03 / HOME•3 min read

Smoke alarms have an expiration date stamped on the back.

Changing the 9-volt battery doesn’t fix an expired sensor. The radioactive or photoelectric detection chamber inside breaks down after 10 years.

READ THE MANUALUPDATED 2026-09
FIELD GUIDE / 001
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