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Intake
The intake should reduce debris, avoid suction blockage, and remain stable in the pool.
The water-moving hardware
The pump is the bridge between stored water and useful spray.
A backyard pool may hold thousands of gallons of water, but that water does nothing until a pump, intake, hose, and nozzle move it safely to the right place.
Practical water movement
A submersible pump must be chosen for the whole job, not just the pool.
The pump has to lift water, push it through hose, overcome fittings and elevation, and still deliver useful flow at the defensive spray point. In the SolarFireTruck concept, it also has to match the available power source, such as EV Vehicle-to-Load output.
- Confirm pump voltage, running watts, and startup surge.
- Match the pump to EV V2L, battery, or other approved power capacity.
- Use an intake screen or floating intake to reduce debris problems.
- Choose hose diameter and length based on real flow and pressure loss.
- Keep electrical equipment away from wet ground, pool edges, and spray zones.
Pump chain
Intake, pump, hose, nozzle, shutoff.
A good setup is a chain of boring, reliable parts. Emergency equipment should be predictable, easy to inspect, and easy to shut down.
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Pump
The pump must fit the power source and deliver enough flow after hose and elevation losses.
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Hose
Hose size, length, fittings, bends, and routing can make or break the system.
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Shutoff
The operator needs fast water shutoff and fast power shutoff if conditions change.
Hose routing
The hose route is part of the system design.
A hose laid across the wrong path can trip people, block responders, kink under a tire, rub against sharp edges, or create a wet electrical hazard. Route planning matters as much as pump selection.
Keep access clear
Fire engines, firefighters, hydrants, gates, driveways, and evacuation paths must remain open. A private support hose must not become an obstacle.
Avoid kinks and pinch points
Bends, driveway edges, gates, steps, and tires can crush flow. A simple hose path often works better than a dramatic one.
Separate water and power
The hose should not cross electrical cords, EV outlets, battery equipment, or control gear unless a professional design protects the crossing.
The intake problem
Pool water is clean until the emergency makes it messy.
Leaves, ash, toys, grit, covers, broken branches, and panic can all interfere with pumping. The intake should be designed to keep water moving.
Floating intake
A floating intake can help draw cleaner water from below the surface while avoiding bottom debris.
Drafting from the pool
The water source must be accessible, stable, and usable before the hose is pressurized.
Flow to the cannon
The intake and pump must support the actual downstream nozzle or cannon requirements.
Flow and pressure
Useful water is not just gallons. It is gallons delivered with purpose.
A pool may have plenty of water, but a weak pump, long hose, small diameter, clogged intake, or high spray target can reduce the result to a trickle. The setup must be tested and verified under realistic conditions.
- Measure the hose run. Distance and elevation affect pressure and flow.
- Choose hose diameter carefully. Larger hose can reduce friction loss but may be harder to handle.
- Confirm pump curve data. Pump performance changes as head pressure increases.
- Test the target nozzle. The nozzle or cannon determines what “useful” flow really means.
- Train shutdown steps. Operators should know how to stop water and power quickly.
Safety warning
A pump-and-hose kit can help only if it is safe.
A bad setup can create electrocution risk, trip hazards, blocked access, hose whip, pump overload, false confidence, and responder interference. The system must be designed to fail safely.
Do not improvise around water and electricity: Use qualified professionals for electrical protection, pump sizing, cable routing, emergency shutoff, and safe deployment procedures.
Operating rules
The operator should never be guessing.
The equipment should have labels, ratings, setup diagrams, a checklist, and clear stop rules. If people cannot understand the system quickly, it is not ready for emergency use.
- Label the pump, hose, intake, cable, shutoff, and safe parking zone.
- Write down the correct setup sequence and shutdown sequence.
- Inspect the kit before wildfire season and during red-flag weather.
- Keep replacement fittings, strainers, gloves, and simple tools with the kit.
- Do not deploy if evacuation, smoke, heat, or access conditions make it unsafe.
Next: scale the idea to the neighborhood.
One pump and one pool can help one property. A neighborhood map of pools, EVs, hoses, and safe staging points turns scattered resources into a readiness plan.