Australia's leading plumbing & irrigation wholesalers since 1985

For over 35 years we have been wholesaling and manufacturing for Australia's largest retailers & suppliers. Offering the widest range of high quality products and a dedicated support team.

we wholesale to Australia's leading retailers & suppliers

Family-owned and operated Plumbing & Irrigation Wholesalers Since 1985

Established in 1985, GD Watermark is Australia’s most trusted plumbing and irrigation wholesaler. We are family owned and operated, with a reputation for our quality, customer service and reliable deliveries. We wholesale to Australia’s leading retailers and suppliers such as Bunnings, Galvins, Mitre 10, Reece and many others. We have an extensive range of high-quality products at competitive prices to meet all your plumbing & irrigation needs.

Over our 35 years of operation, we have built our business to meet all our customer’s wholesale needs. This includes our wide range of products, outstanding service with our knowledgeable team, and safe & on-schedule deliveries Australia-wide. If you need a reliable and high-quality wholesaler, contact our team today.

We are ISO 9001 certified

Ensuring outstanding quality management

Why Choose us as your Plumbing & Irrigation wholesalers?

Exceptional Service

You will receive direct support from our friendly & experienced staff who can assist with all your wholesale needs. This includes product details, pricing, ordering and more. You will receive fast replies and frequent updates on your order status.

Fast Deliveries

With our skilled team and wide distribution network, you will get same-day dispatch and safe deliveries Australia-wide, without delay. We keep close communication so are always up-to-date.

Industry-Leading Products

We manufacture & wholesale the leading plumbing & irrigation brands, ensuring outstanding quality. We also have a huge range of sizes for all your stock needs, with some custom sizing options available.

Seamless Ordering Process

Ordering is a breeze with our staff. We will set up your customer account in just moments, and guide you through the ordering process. We can discuss all your needs, including sizing, pricing and more!

See Our Plumbing & Irrigation Range

Plumbing Wholesale Products

We offer a wide selection of high-quality plumbing products at competitive prices. From pipes and fittings to valves and fixtures, we have everything you need to keep your plumbing system running smoothly, both for small and large plumbing retail establishments. We focus on quality and customer service, you can trust us for all your plumbing wholesale needs. Contact us today to learn more about our products.

Irrigation Wholesale Products

We manufacture and stock a variety of wholesale supplies for all your irrigation needs, including Poly Risers, Threaded Fittings and Micro irrigation fittings and more. We also offer custom measurements & specifications for select products depending on your requirements. If you need further help or details speak to our team.

HVAC & Insulation Wholesale Products

Choose from our range of HVAC & Insulation products. We stock a wide range of flexible ducting, piping insulation and more. If you have custom requirements please don't hesitate to speak with our helpful team.

We Wholesale The Highest Quality Brands In The Industry

Plumbing & Irrigation Wholesale Delivered Australia-Wide

Our wholesale team ensure reliable, on-schedule delivery of plumbing and irrigation products to all locations throughout Australia. This includes all regions throughout Western Australia, Queensland, Victoria, New South Wales and all other states and territories, both in metro and rural areas. Our team will keep you updated about your orders every step of the way.

We have a far-reaching delivery network, employing highly trained and experienced drivers who follow strict safety processes. This means all freight is properly secured, safely transported and expertly onloaded and offloaded, so you don’t receive any damaged goods.

If any issues arise, our support team will urgently attend to your enquiry. If you need a trusted & reliable plumbing and irrigation wholesaler to supply your stock, get in contact with our team today.

Our wholesale team ensure reliable, on-schedule delivery of plumbing and irrigation products to all locations throughout Australia. This includes all regions throughout Western Australia, Queensland, Victoria, New South Wales and all other states and territories, both in metro and rural areas. Our team will keep you updated about your orders every step of the way.

We have a far-reaching delivery network, employing highly trained and experienced drivers who follow strict safety processes. This means all freight is properly secured, safely transported and expertly onloaded and offloaded, so you don’t receive any damaged goods.

If any issues arise, our support team will urgently attend to your enquiry. If you need a trusted & reliable plumbing and irrigation wholesaler to supply your stock, get in contact with our team today.

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Find Out All There Is To Know About Our
Plumbing & Irrigation Product range

FAQs

We specialise in manufacturing and wholesale, however we help a large range of business-to-business customers. This includes large retailers like Bunnings, who stock our top-quality irrigation risers and threaded fittings, to small enterprises that rely on our tank outlets for their water storage drums.

Our minimum order values vary depending on your location and are outlined in our terms and conditions. To offer great wholesale pricing to our customers we need to account for the details of the order, such as price, product and location.

In general, we recommend ordering in wholesale pack quantities whenever feasible. However, we acknowledge that this may not be practical in all cases. To address your specific needs, we suggest contacting our customer service experts who can help you determine the best approach.

Typically, our prices are offered on a FIS basis, which means that freight charges are included in the price. Nonetheless, it’s important to note that for larger quantities or bulky products, there may be wholesale freight expenses that will be passed on at cost. To gain a more thorough understanding of our policies feel free to speak with our team.

We offer pricing and discount options on bulk wholesale orders. We recognize that each business operates uniquely with varying demands and different order requirements. To delve deeper into this possibility, please reach out to our sales team for further consultation.

Yes, we offer nationwide dispatch services for our products at wholesale prices. However, for certain remote regions, there may be extra fees that apply. For more details on this, we recommend speaking with our team. You can also refer to our terms and conditions.

Usually our orders take 4-7 business days, but this can vary slightly depending on your location. We send out your wholesale order on the same day to maintain short delivery times, and we update you each step of the way. Rest assured, if any items are placed on back order, we will make an effort to notify you promptly.

Most definitely, you can open a wholesale trade account with us. To find out more more, please get in touch with our Sales Account Manager.

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