Diaphragm Pump 3GPM 4-Chamber Water Pump Pressure Switch
Not satisfied? Return it within 14 days for a full product refund. Return shipping applies for change-of-mind returns. View policy
This diaphragm pump delivers consistent 3.0 GPM water pressure on demand, automatically starting and stopping as you use water so you get reliable pressure without manual control. The quiet copper motor operation won't disturb your activities, while built-in safety features like overheat protection and dry-run capability keep the pump running longer with minimal maintenance.
- 4-chamber diaphragm pump with 3.0 GPM flow rate at 55 PSI
- Adjustable pressure switch range from 40 to 100 PSI with automatic on/off operation
- Pure copper motor with noise-reducing base for quiet performance
- Overheat and overload protection with dry-run capability
- Built-in check valve bypass switch for continuous supply
- Standard 1/2" MNPT inlet and outlet connections
- CE and ROHS certified
- Tested to 200,000 pressure cycles for durability
📦 Shipping & Delivery
Free Standard Shipping on all orders across Australia.
Orders are dispatched within 1–3 business days of payment confirmation. You will receive a tracking email once dispatched.
Standard delivery: 3–7 business days (metro). Regional/WA/NT may take slightly longer.
Express delivery options are available at checkout.
🔁 Returns & Refunds
We offer 14-day returns on all items.
To be eligible, items must be returned in original, unused condition with all original packaging.
To start a return: email hello@myhappygift.com.au with your order number.
Refunds are processed within 5–10 business days of receiving the returned item.
🛡️ Warranty
All products include a 12-month manufacturer's warranty.
Covers manufacturing defects and faults under normal use conditions.
Does not cover accidental damage, misuse, or normal wear and tear.
To make a warranty claim, email hello@myhappygift.com.au with your order number and photos of the fault.
❓ FAQs
How long does delivery take?
Orders dispatch in 1–3 business days. Standard delivery 3–7 business days.
Do you ship to all Australian states?
Yes, we ship Australia wide including WA, NT, and all regional areas.
How do I track my order?
A tracking link is emailed once your order is dispatched.
How do I contact support?
Email hello@myhappygift.com.au or call (03) 9961 6069.
Mon–Sat, 9:00 AM – 10:00 PM AEST. We respond within 24 hours.
Are your products covered by warranty?
Yes, every product includes a 12-month manufacturer's warranty.
Curated for Quality
Every product hand-selected to meet our quality standards before it reaches your home
Fast Australian Dispatch
Orders dispatched within 1–3 business days from our Australian warehouses
Responsive Local Support
Australian-based team available Mon–Sat, 9am–10pm AEST. Reply within 24 hours
Backed by Warranty
Every product includes a 12-month manufacturer's warranty — shop with confidence
