TOP BRASS PLUMBING FAQS

1. Gas Fitting & Gas Safety
Gas fitting involves installing, repairing, and maintaining gas appliances and gas pipework.
All gas work should be completed by a licensed gas fitter to ensure compliance with safety regulations.
Gas Safety Checks
Regular inspections help identify leaks, damaged hoses, faulty connections, and unsafe appliances.
Prompt maintenance reduces hazards and ensures efficient operation.
Gas Certification
Many gas installations require certification to confirm the work meets New Zealand safety standards.
Certificates provide proof that installations are safe and compliant.
Gas Appliance Installation
Professional installation ensures gas cooktops, ovens, heaters, and hot water systems are connected safely and operate efficiently

2. Hot Water Systems
Hot Water Cylinders
Traditional hot water cylinders store heated water for household use.
They are available in low-pressure and mains-pressure models and can be powered by electricity or gas.
Gas Califonts
Gas califonts heat water only when needed, providing continuous hot water without the need for a storage cylinder.
Heat Pump Water Heaters
Heat pump systems use energy from the surrounding air to heat water.
They are highly energy-efficient and can significantly reduce electricity consumption.
Choosing the Right System
The best hot water solution depends on household size, usage patterns, available energy sources, installation costs, and long-term operating expenses. Standard hot water cylinders and gas heaters are cheaper short-term options with heat pumps paying off after approximately 5 -7 years.

3. Bathroom Renovations
Planning a Renovation
Proper planning ensures plumbing layouts, fixtures, and drainage systems function correctly while meeting building requirements.
Waterproofing Requirements
Bathrooms must be adequately waterproofed to prevent moisture damage, mould growth, and structural deterioration.
Fixture Installation
Professional installation of showers, toilets, basins, and tapware helps ensure reliability and compliance with council regulations.
Most handymen and unqualified people cannot help you legally achieve these changes -without employing qualified subcontractor themselves.
Renovation Benefits
A well-designed bathroom renovation can improve comfort, functionality, appearance, and property value.
4. Water Pressure Problems
Low Shower Pressure
Low pressure may result from old pipework, blocked fittings, faulty valves, low-pressure cylinders, or plumbing restrictions.
Mains Pressure Upgrades
Upgrading to mains pressure can improve shower performance and overall household water flow.
Diagnosing Pressure Issues
A professional assessment can identify underlying causes and recommend appropriate solutions.

5. Water Main Services
Water Main Installation
Water mains supply fresh water from the public network to a property. Correct installation ensures reliable water delivery. Specialist equipment can be a game changer- ask us how.
Water Main Repairs
Leaks or damaged water mains can waste water and increase costs. Early repairs help prevent further property damage.
Detecting Leaks
Signs include unusually high water bills, wet ground, reduced pressure, or visible water pooling
6. Drainage and Blocked Drains
Common Causes
Blocked drains are often caused by grease, food waste, tree roots, hair, sanitary products, or accumulated debris.
Warning Signs
Slow drainage, bad odours, gurgling sounds, and recurring blockages indicate a drainage problem.
Professional Drain Clearing
Specialist equipment can safely remove obstructions and restore normal drainage flow.
7. Plumbing Repairs and Maintenance
Burst Pipes
Burst pipes can cause major water damage and should be repaired immediately to minimise property loss.
Leaking Taps and Mixers
Leaks waste water and increase costs. Replacing worn components usually resolves the issue.
Routine Maintenance
Regular inspections and maintenance can prevent expensive repairs and extend the life of plumbing systems and hot water appliances.

8. Toilets and Sanitary Fixtures
Toilet Installation
Correct installation ensures efficient flushing, leak prevention, and long-term reliability.
Toilet Repairs
Common issues include running cisterns, leaks, blocked toilets, and faulty flush mechanisms.
Water Efficiency
Modern toilet systems can reduce household water consumption while maintaining performance.
9. Kitchen Plumbing
Gas Cooking Systems
Gas cooking provides fast, responsive heat control and is popular among homeowners who enjoy cooking.
Kitchen Tap Installation
Modern tapware can improve functionality, water efficiency, and kitchen appearance.
Quality brands are important, tapware is ultimately the plumber's judgement if they comply with NZ regulations and if they should be installed. Good manufactures invest in good processes.
Plumbing Upgrades
Kitchen renovations often require plumbing modifications to accommodate new appliances and layouts.

10. Heat Pump vs Gas Hot Water
Heat Pump Advantages
- Very energy efficient
- Lower running costs
- Reduced environmental impact
- Pays for itself after 7 years.
Gas Hot Water Advantages
- Continuous hot water supply
- Fast water heating
- Compact installation footprint
- Lower starting costs
Making the Choice
Selection should be based on household demand, energy costs,
available gas supply, installation budget, and efficiency goals.
11. Building Compliance and Reports
Plumbing Reports
Professional reports can document the condition of plumbing systems and identify required repairs or upgrades.
Builders aren't plumbers and vice versa.
Compliance Requirements
Plumbing and gas work must meet New Zealand building and safety regulations.
Importance of Documentation
Accurate documentation supports property sales, insurance requirements, and future maintenance planning.
12. Key Takeaways
- Always use qualified plumbers and gas fitters for installation and repairs.
- Regular maintenance prevents expensive issues and improves system performance.
- Hot water system selection should balance efficiency, cost, and household needs.
- Bathroom waterproofing is essential to prevent long-term damage.
- Early detection of leaks, pressure problems, and blockages can save significant repair costs.
- Professional plumbing work ensures safety, compliance, and long-term reliability.




