--- product_id: 635851544 title: "2024 Updated Watts Heat H2O Hot Water Recirculation System" brand: "watts premier" price: "S$453" currency: SGD in_stock: true reviews_count: 13 category: "Watts Premier" url: https://www.desertcart.sg/products/635851544-2024-updated-watts-heat-h2o-hot-water-recirculation-system store_origin: SG region: Singapore --- # Saves up to 15,000 gallons/year Whisper-quiet pump operation Instant hot water in seconds 2024 Updated Watts Heat H2O Hot Water Recirculation System **Brand:** watts premier **Price:** S$453 **Availability:** ✅ In Stock ## Summary > 🔥 Instant Hot Water, Zero Wait – Upgrade Your Home Comfort Now! ## Quick Answers - **What is this?** 2024 Updated Watts Heat H2O Hot Water Recirculation System by watts premier - **How much does it cost?** S$453 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/635851544-2024-updated-watts-heat-h2o-hot-water-recirculation-system) ## Best For - watts premier enthusiasts ## Why This Product - Trusted watts premier brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Silent Efficiency:** Runs quietly on 120V power with durable stainless steel and aluminum housing for long-lasting performance. - • **Peace of Mind Warranty:** Backed by a 3-year warranty, ensuring reliability and confidence in your investment. - • **Smart Savings on Demand:** Built-in programmable timer customizes operation to your lifestyle, cutting water waste and bills. - • **DIY Friendly, Zero Hassle:** Complete kit with pump, sensor valve, adapters, and easy install instructions—no plumber needed. - • **No More Waiting, Just Flow:** Thermal bypass tech delivers hot water instantly at every faucet or shower. ## Overview The Watts Heat H2O Hot Water Recirculation System uses advanced thermal bypass technology and a thermostatic sensor valve to deliver hot water instantly throughout your home. Designed for easy DIY installation without a return line or extra electricity under the sink, it operates quietly on 120V and includes a programmable timer to optimize water and energy savings—up to 15,000 gallons annually. Made with durable aluminum and stainless steel components, it comes with a 3-year warranty for dependable performance. ## Description Never wait for hot water again. The Watts Heat H2O Hot Water Recirculation System utilizes thermal bypass technology to provide hot water to your faucet or shower instantly. The device uses the pump at the water heater and a patented under-sink, thermostatically controlled sensor valve to create a pressure differential, allowing cool and cold water to bypass into the cold water supply line at a low volume and keeping the water in the hot water supply line at a no-wait temperature throughout your entire home.Easily installed into existing plumbing without the need for a return line or additional electricity under the sink, this quiet, efficient system requires no maintenance once installed and includes everything you need for quick DIY installation: pump with 10 ft cord, 2 adapters with rubber washers, sensor valve, mounting screws, and two 12-inch supply lines.With Watts Heat H2O Hot Water Recirculation System, your days of wasting time, water, and money are over. Readily available hot water means no need to let the tap run while waiting for it to heat up, which leads to significant water and money savings: up to 12,000 gallons per year and up to 10% off your water bill!This pump also includes a convenient built-in programmable timer that can be set to run for 24 hours a day or to activate only during peak use times. Its 24-hour dial features quarter-hour division tabs and AM/PM indications so you can easily set operation of the circulator according to your household's water usage patterns.Not designed for tankless water heaters. For indoor use only. Review: Excellent Product, Easy Install - I just installed this after buying in September 2025. It took me about an hour to get it fully installed. It runs silent and works very well. I was able to get hot water at most area's of my home in under 5-seconds. Considering getting an additional "sensor" valve to speed up one other section. I was worried about cost of electricity overtime but I used an AI agent and it resolved the math for me. Average cost was $1 to $3 monthly in eletricity based on response. I thought it would be significantly more to run continuously. One note, instructions mention to use pipe dope on the hose connection going to house from pump (but not tank to pump). I think thats easy to overlook. I had to go back and redo it as I initially overlooked. Review: Well worth the money and SO easy to install. - After years of waiting for water to reach the far areas of my house, I had finally had enough. This pump exceeded my expectations and works flawlessly. It sat on my counter for a few weeks until I finally decided to install it. Installation time was less than 30 min. It took me longer to get the junk out from beneath the far sink than it did to install. The instructions are straight forward and easy to understand. I did the under the sink valve first. They supply you with all the right hoses and connections. I did have to get long hoses, but that is not the fault of the mfg. My supply pipes are further apart. I bought longer hoses and everything was golden. Installing the pump was beyond easy. Yes I did have to buy the correct CPVC fittings with 3/4" threads to connect to the pump. Less than a dollar at the local hardware. Off the discharge pump I went with a flexible hose that connected to my system. You will have to buy a few extra pvc fittings if you need to make it work with your water heater system. It took less than 30 min to install in total and I plugged it in. I could tell it was working, but the pump is extremely quiet. We set the mode to timer, because we want it on from early morning to around 11 pm at night then the timer shuts off the pump. You will still have hot water, but just not as fast as when the pump is working. Even if you let it run all the time, it would cost around $20 a year, tops, but the timer is a nice feature. So far I am extremely happy with the product and it has hot water at our furthest sink within 5 seconds. Don't hesitate to buy this product. ## Features - INSTANT HOT WATER: The Watts Hot Water Recirculation System utilizes thermal bypass technology to instantly supply hot water in seconds at every faucet or shower when needed. The sensor valve opens when the water on the hot water side cools, pushes the cool water back to the water heater, and closes when hot water line hits 98°F. Not designed for tankless water heaters. - EASY DIY INSTALLATION: Operating on 120V, this quiet, efficient system easily installs into existing plumbing without the need for a return line or additional electricity under the sink, and once installed requires no maintenance. Includes everything you need for installation: heavy-duty stainless steel pump head in aluminum housing, 10 ft cord, 2 adapters with rubber washers, valve mounting screws, and two 12-inch supply lines. - WATER CONSERVATION: Your days of wasting time and water are over. With hot water available in 15 seconds, this convenient system can lead to significant water bill savings: up to 15,000 gallons per year. - CUSTOMIZABLE OPERATION: This pump includes a convenient built-in programmable timer that can be set to run for 24 hours a day or to activate only during peak use times. Its 24-hour dial features quarter-hour division tabs and AM/PM indications so you can easily set operation of the circulator according to your household's water usage patterns. - EVERY DROP COUNTS: Water. It's in our name and close to our hearts. Since 1874, Watts Water Technologies has been delivering innovative technologies that make the world's most precious resource safe and accessible. Everything we design is made to keep the Earth's most precious resource safer, cleaner, and more useful for our customers. Our family of brands offers one of the most varied product lines in the world, with world-class, water-related solutions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D4NTC59R | | Best Sellers Rank | #22,298 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #24 in Water Heaters & Parts | | Brand | Watts Premier | | Brand Name | Watts Premier | | Color | 7.8 Inches X 7.8 Inches X 8.3 Inches Device + Equipment | | Customer Reviews | 4.5 out of 5 stars 5,652 Reviews | | Flow Rate | 3.4 Gallons Per Minute | | Global Trade Identification Number | 00098268557169 | | Included Components | Pump, sensor valve, fittings. | | Item Dimensions L x W x H | 8.3"L x 7.8"W x 7.8"H | | Item Type Name | Hot Water Recirculation System | | Item Weight | 3 Kilograms | | Manufacturer | Watts | | Manufacturer Part Number | 0955805 | | Material | Aluminum , Stainless Steel | | Material Type | Aluminum, Stainless Steel | | Model Number | Q419 | | Power Source | Corded Plug | | Product Dimensions | 8.3"L x 7.8"W x 7.8"H | | Product Style | Pump + 3 Yr Warranty | | Smart Home Compatibility | Smart Home Compatible | | Specific Uses For Product | Floor | | Style | Pump + 3 Yr Warranty | | UPC | 098268557169 | | Unit Count | 1.0 Count | | Voltage | 120 Volts | ## Product Details - **Brand:** Watts Premier - **Color:** 7.8 Inches X 7.8 Inches X 8.3 Inches Device + Equipment - **Global Trade Identification Number:** 00098268557169 - **Item Weight:** 3 Kilograms - **Material:** Aluminum, Stainless Steel - **Maximum Flow Rate:** 3.4 Gallons Per Minute - **Power Source:** Corded Plug - **Product Dimensions:** 8.3"L x 7.8"W x 7.8"H - **Style:** Pump + 3 Yr Warranty - **Voltage:** 120 Volts ## Images ![2024 Updated Watts Heat H2O Hot Water Recirculation System - Image 1](https://m.media-amazon.com/images/I/71PxXXQwGBL.jpg) ![2024 Updated Watts Heat H2O Hot Water Recirculation System - Image 2](https://m.media-amazon.com/images/I/71H5vgtMKeL.jpg) ![2024 Updated Watts Heat H2O Hot Water Recirculation System - Image 3](https://m.media-amazon.com/images/I/71vKnzq7ytL.jpg) ![2024 Updated Watts Heat H2O Hot Water Recirculation System - Image 4](https://m.media-amazon.com/images/I/71eMFGY4AIL.jpg) ![2024 Updated Watts Heat H2O Hot Water Recirculation System - Image 5](https://m.media-amazon.com/images/I/7165+vnsCdL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Product, Easy Install *by Z***S on February 2, 2026* I just installed this after buying in September 2025. It took me about an hour to get it fully installed. It runs silent and works very well. I was able to get hot water at most area's of my home in under 5-seconds. Considering getting an additional "sensor" valve to speed up one other section. I was worried about cost of electricity overtime but I used an AI agent and it resolved the math for me. Average cost was $1 to $3 monthly in eletricity based on response. I thought it would be significantly more to run continuously. One note, instructions mention to use pipe dope on the hose connection going to house from pump (but not tank to pump). I think thats easy to overlook. I had to go back and redo it as I initially overlooked. ### ⭐⭐⭐⭐⭐ Well worth the money and SO easy to install. *by R***R on May 19, 2024* After years of waiting for water to reach the far areas of my house, I had finally had enough. This pump exceeded my expectations and works flawlessly. It sat on my counter for a few weeks until I finally decided to install it. Installation time was less than 30 min. It took me longer to get the junk out from beneath the far sink than it did to install. The instructions are straight forward and easy to understand. I did the under the sink valve first. They supply you with all the right hoses and connections. I did have to get long hoses, but that is not the fault of the mfg. My supply pipes are further apart. I bought longer hoses and everything was golden. Installing the pump was beyond easy. Yes I did have to buy the correct CPVC fittings with 3/4" threads to connect to the pump. Less than a dollar at the local hardware. Off the discharge pump I went with a flexible hose that connected to my system. You will have to buy a few extra pvc fittings if you need to make it work with your water heater system. It took less than 30 min to install in total and I plugged it in. I could tell it was working, but the pump is extremely quiet. We set the mode to timer, because we want it on from early morning to around 11 pm at night then the timer shuts off the pump. You will still have hot water, but just not as fast as when the pump is working. Even if you let it run all the time, it would cost around $20 a year, tops, but the timer is a nice feature. So far I am extremely happy with the product and it has hot water at our furthest sink within 5 seconds. Don't hesitate to buy this product. ### ⭐⭐⭐⭐⭐ Instant Hot Water and Easy DIY Install – Great Product! *by T***R on March 28, 2025* I was really impressed with the Watts Heat H2O Hot Water Recirculation System. It’s a great product that does exactly what it claims—delivers hot water almost instantly without wasting time or water. The biggest highlight for me was how easy it was to install. I’m not a plumber by any means, but the instructions were clear and all the parts were included. I had it up and running in about an hour using basic tools. The programmable timer is a great feature. I set it to run during the times we usually need hot water, and it works flawlessly. Our bedroom shower is on the opposite end of the house from the water heater, and we used to wait forever for hot water. Now, the wait time has been cut by more than half—it makes a big difference in our morning routine. The included sensor valve and adapters made the whole process smooth. It’s also quiet when it runs, which was a nice surprise. Plus, the 3-year warranty gave me peace of mind. Overall, this system is a smart investment if you're tired of waiting for hot water. It’s efficient, easy to install, and adds real convenience. Highly recommended! ## Frequently Bought Together - Watts Heat H2O Hot Water Recirculation System w/Programmable Timer, Instant Hot Water, 3 Year Warranty, Pump, 2 Adapters, Sensor Valve, Mounting Screws, 2 Supply Lines, Easy DIY Install (0955805) - Watts Premier Replacement Sensor Valve Kit for 500800, 500805, HWRS-WH Watts Instant Hot Water Recirculation System, Two 12" Supply Lines, Two Reduced Fittings 1/2" FTP - 3/8" MPT, Two Mounting Screws - Watts Premier Replacement Sensor Valve for 500800 and 500805 Watts Instant Hot Water Recirculating Pump System, 4.5" Sensor Valve, Two 12" Supply Lines with Adapter Fittings, 1/2" Threaded Connectors --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/635851544-2024-updated-watts-heat-h2o-hot-water-recirculation-system](https://www.desertcart.sg/products/635851544-2024-updated-watts-heat-h2o-hot-water-recirculation-system) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-05-23*