Every BLACKBOX system built with care

Working to keep prices down

Minor Dwelling Wastewater, Sorted.

BLACKBOX pump systems — 100% New Zealand built for tiny homes, cabins & RVs.

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100% NZ Made

Designed & built in New Zealand

1,000+ Installed

Trusted across New Zealand

20-Year Tank Warranty

Built to last

Easy DIY Install

DIY kits available

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From our blog

PVC Solvent Weld Versus Compression for 40mm Pipe

PVC solvent weld versus compression fittings for 40mm pipe: compare strength, access, vibration and future servicing for tiny homes, cabins and RVs alike.

How to Install a PVC Trap and Avoid Leaks

Learn how to install PVC trap fittings on a tiny home, cabin or RV sink, with the right fall, water seal and leak checks before you use the drain safely.

Greywater Filter Versus Soak Pit: Which Is Best?

Greywater filter versus soak pit: compare treatment, drainage, maintenance and site suitability for tiny homes, cabins, baches and off-grid builds in NZ

Wastewater Pump Controls That Prevent Call-Outs

Practical wastewater pump controls for tiny homes and cabins: level sensing, alarms and settings that protect your system and prevent messy call-outs.

Tank Fitting Installation That Stays Leak-Free

Get tank fitting installation right with practical advice on hole sizing, seals, pipe support and testing for tiny homes, cabins, RVs and off-grid jobs.

How to Size a Wastewater Pump for Small Homes

Learn how to size a wastewater pump for a tiny home, cabin or RV, with practical checks for flow, head, pipe size and reliable wastewater handling at site.

Best Solutions for Campsite Wastewater in NZ

Practical guide to the best solutions for campsite wastewater: treatment, holding tanks, sizing, siting and maintenance for New Zealand off-grid sites.

Best 40mm Plumbing Connectors for Small Builds

Choose the best 40mm plumbing connectors for tiny homes, cabins and RVs. Get dependable PVC joins, correct sizing and fewer drainage call-backs on site.

Transfer Pump Selection for Small Waste Systems

Make transfer pump selection simpler for tiny homes, cabins and RVs. Match flow, head, solids handling and pipe size for dependable wastewater removal.

Vortex Versus Centrifugal Pumps Compared

Compare vortex versus centrifugal pumps for wastewater, greywater and solids: learn how impeller design affects clogging, efficiency, head and pump choice.

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Working to keep prices down

Minor Dwelling Wastewater, Sorted.

100% NZ Made

1,000+ Installed

20-Year Tank Warranty

Easy DIY Install

Shop by category

BLACKBOX SYSTEMS

BLACKBOX-62 Portable Waste Management System For Tiny Homes

BLACKBOX-85 Portable Waste Management System For Tiny Homes

BLACKBOX-270 Standard Waste Management System For Tiny Homes

BLACKBOX-270Max Portable Waste Management System For Tiny Homes

BLACKBOX-270SuperMax Macerator Waste Management System For Tiny Homes

HYDROLOK U400-35 EPDM Bulkhead Seal – Flexible Tank Fitting for 110 mm Pipe (1 Pack)

HYDROLOK U400-35 EPDM Bulkhead Seal – Flexible Tank Fitting for 110 mm Pipe (2 Pack)

HYDROLOK U400-35 EPDM Bulkhead Seal – Flexible Tank Fitting for 110 mm Pipe (3 Pack)

From our blog

PVC Solvent Weld Versus Compression for 40mm Pipe

PVC Solvent Weld Versus Compression for 40mm Pipe

HYDROLOK U400-35 EPDM Bulkhead Seal – Flexible Tank Fitting for 110 mm Pipe (1 Pack)

HYDROLOK U400-35 EPDM Bulkhead Seal – Flexible Tank Fitting for 110 mm Pipe (2 Pack)

HYDROLOK U400-35 EPDM Bulkhead Seal – Flexible Tank Fitting for 110 mm Pipe (3 Pack)