Best Recirculating Pump For Tankless Water Heater

Category: tankless water heater 👁 763 👍 21 ★★★★☆4

Tankless heaters with recirculation pumps: The cost is $250 to $415 more than those without pumps. This is the best choice if you're installing a new water heater. It saves the cost of pump installation. Separate recirculation pumps: If you have a tankless unit without a pump, one can be installed.

Any way, what is the best hot water recirculating pump?

My Top 5 Picks For The Best Hot Water Recirculating Pumps

  • The Watts 500800 Hot Water Pump w/ Timer (My #1 Top Pick)
  • Laing LHB0810092 Recirculating Pump w/ Timer (A Close Second)
  • Grundfos GRU-595916 Instant Hot Water Pump.
  • Grundfos 59896155 SuperBrute Recirculator Pump.
  • Kolerflo Hot Water Recirculation Pump.

By the way, are recirculating pumps worth it? The traditional ones usually consume more electricity than an under sink hot water recirculating pump. The answer here is that they won't save you money if the utility bill is of concern, but they are still worth it as they are low-end electricity consumers overall.

In addition to that, how much does a hot water recirculation pump cost?

The price tag of a hot water recirculation pump is around $200 and most can be installed by the consumer but some require a plumber.

What is the downside of a tankless water heater?

The primary disadvantage of on demand or instant hot water heaters is the upfront cost. The smaller units that you often see won't produce enough hot water to serve most households. They'll only serve one faucet at a time—a problem if you want to shower while the dishwasher is running.

BESTSELLER NO. 1 in 2022

Watts Premier Instant Hot Water Recirculating Pump System with Built-In Timer

Watts Premier Instant Hot Water Recirculating Pump System with Built-In Timer
  • Kit includes a pump with timer with 10' cord, 2 adapters with rubber washers, valve mounting screws, sensor valve, and two 12-inch supply lines
  • Voltage: 120 volts, Item Weight: 8.5 pounds. Overall Dimension: 6.2 x 6 x 5 inches
  • Provides hot water at every faucet or shower when needed and helps eliminate wasted water
  • Easily installs to existing plumbing and is maintenance-free
  • 24-hour programmable timer activates pump when you need it
BESTSELLER NO. 2 in 2022

Grundfos 99452459 (old part number 595916) UP15-10SU7P/LC Instant Hot Water Comfort Recirculation System 9H with NEW Digital Timer

Grundfos 99452459 (old part number 595916) UP15-10SU7P/LC Instant Hot Water Comfort Recirculation System 9H with NEW Digital Timer
  • Retrofit solution- no return line required. Compatible with all Grundfos line cord products
  • Can save up to 12,000 gallons of year in a typical household
  • Includes timer, 10ft line cord, thermal bypass valve and hose kit
  • Installs in less than two hours
  • Battery back up to maintain settings if power is lost
BESTSELLER NO. 3 in 2022

KOLERFLO 115V Water Recirculating Pump 3/4 Inch Circulating Water Pump for Water Heater System(RS15-6 Blue)

KOLERFLO 115V Water Recirculating Pump 3/4 Inch Circulating Water Pump for Water Heater System(RS15-6 Blue)
  • Rated power: 93/67/46 W. NPT 3/4 inch (19.05 mm) inlet/outlet. Voltage/Frequency: 110-120V, 60Hz. Max pressure: 145 psi (10 bar),the circulation pump with three-speed control. Flow: 36/29/20 LPM (9.5/7.66/5.28 GPM). Max head: 6/4.9/4 m (20/16/13 ft);Pump housing: Aluminum. Impeller: Corrosion-resistant, composite, PES. Shaft: 45 # steel. Bearing: Carbon axia.
  • Easy installation, only need a wrench to connect the pump to the pipeline, saving you the cost of plumbers; Instant hot water, waiting for 2-3 minutes in the past, now it takes only 15 seconds to get hot water.
  • Prevent pipes from freezing in winter, especially for cold winter areas. In addition, if your pipes pass through the floor, the floor will also become warm.
  • The circulation water pump features high efficiency with low consumption. High temperature resistance, anti-fraying, high flow and leak-tightness. Super silent, environmental friendly,saving energy, running power, reducing the waste of cold water and waiting time, suitable for water scarce areas, such as desert areas.
  • KOLERFLO circulation water pump RS15-6 Used in Suitable for city buildings, suburban villas, houses, water and pressurized with industrial equipment, air conditioning, boilers, solar circulating water, hot water circulating warm and so on.
BESTSELLER NO. 4 in 2022

Watts Premier 0955801 Sensor Valve Kit for Watts Hot Water Recirculating Pump (0955800)

Watts Premier 0955801 Sensor Valve Kit for Watts Hot Water Recirculating Pump (0955800)
  • CONTENTS: Includes a sensor valve, two 12 in. supply lines with fittings, and two mounting screws
  • SPECIFICATIONS: 1/2 inch MPT connections on the Sensor Valve, 12 inch supply lines with 1/2 inch FPT x 3/8 inch FPT connections, and the adapter fittings with 1/2 inch FPT to 3/8 inch MPT
  • COMPATIBILITY: The 0955801 Sensor Valve Kit ONLY works in conjunction with Watts Instant Hot Water Recirculating System. It is not designed to be used with a dedicated return line to the water heater
  • EASY INSTALLATION: Easy to install with no additional pumps needed. Additional sensor valve for branched hot water lines
  • This kit must be used in conjunction with either a 500800 or 500805 Hot water Recirculating Pump. It is NOT designed to be used with a dedicated return line to the water heater
BESTSELLER NO. 5 in 2022

Superior Pump 91330 1/3 HP Thermoplastic Submersible Utility Pump with 10-Foot

Superior Pump 91330 1/3 HP Thermoplastic Submersible Utility Pump with 10-Foot
  • 1/3 HP Utility pump moves up to 2,400 gallons per hour; pump will lift water up to 25' of vertical height
  • Tough thermoplastic construction; 10' cord length
  • 1-1/4 inch NPT discharge for hight capacity pumping; includes 3/4 inch garden hose adapter
  • Removable suction screen and handles up to 1/8 inch solids
  • Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested
  • Amps - 4.1
BESTSELLER NO. 6 in 2022

Watts Premier Sensor Valve for Watts Hot Water Recirculating Pump (0955800), Plain, WP367010

Watts Premier Sensor Valve for Watts Hot Water Recirculating Pump (0955800), Plain, WP367010
  • For use only with a Watts Instant Hot Water Recirculating System
  • 1/2 in. MPT connections on the Sensor Valve, 12 in. supply lines with 1/2 in. FPT x 3/8 in. FPT connections, and adapter fittings with 1/2 in. FPT to 3/8 in. MPT
BESTSELLER NO. 7 in 2022

APCOM TV1 Under Sink Instant Hot Water Recirculating Pump for Tankless Water Heaters

APCOM TV1 Under Sink Instant Hot Water Recirculating Pump for Tankless Water Heaters
  • Instantly Experience Hot Water - This recirculation system provides instant hot water to any water source. Enjoy the comfort and convenience of hot water in your home without the wait.
  • Energy & Cost Efficient - The most energy efficient circulator on the market that reduces waste and costs associated with the consumption of water.
  • Fully Automatic Operation - This system uses a built-in programmable timer that helps to save time, money and energy.
  • Simple DIY Installation - Kit includes stainless steel pump with built-in programmable timer, braided hose, stainless/brass bypass valve, tee and all necessary fittings. Professional installation recommended by a local certified plumbing contractor if the water line needs to be cut for pump installation.
  • Without Dedicated Return Line - Perfect for homes without a dedicated return line or electrical connection under your sink.
BESTSELLER NO. 8 in 2022

Grundfos GRU-595916 595916

Grundfos GRU-595916 595916
  • TLC = Timer, Line Cord, 6-Foot
  • Flow range: 0 - 9 U.S. GPM, Head range: 0 - 6-Foot
  • Motors: Single phase, 115V. Supply Voltage:115-120 VAC, 60 hertz, Contact Rating: 16 amps
  • Connection: 3/4-Inch M by 3/4-Inch FNPT.Maintenance-free, low energy consumption, easy to install, quiet running
  • The Grundfos circulator pumps, Series UP, are specifically designed for heating systems. The pumps are also suitable for circulation of hot domestic water and for circulation of liquid in cooling and air-conditioning systems
BESTSELLER NO. 9 in 2022

BACOENG 3/4'' 110V RS15/6G 3-Speed Control Hot Water Circulation Pump/Circulating Pump With US Plug and Flow Switch

BACOENG 3/4'' 110V RS15/6G 3-Speed Control Hot Water Circulation Pump/Circulating Pump With US Plug and Flow Switch
  • 1. Smart Flow Switch automatically turns the pump off when no water in pipe such as turning off the tap & will automatically turn back on when you turn the tap back on.
  • 2. Rated Power: 93(III)/67(II)/46(I) Max Head: 30FT. Inlet/Outlet:3/4'' Voltage/Frequency:115V/60HZ Liquid temperature range: 32 - 230℉
  • 3. Work Mode: Set by Switch Button-- II(AUTO): Flow Switch Works; I(MANUAL): Flow Switch Off, pump keeps running.
  • 4. Built-in high sensitive electronic sensors with three-speed control. High temperature resistance. Super silent, environment friendly.
  • 5.Flexible and Durable: External Switch can be Removed or Replaced. Pump housing: Stainless Steel;Impeller: Corrosion-resistant, Composite, PES ;Shaft: Ceramic;Bearing: Carbon axial
BESTSELLER NO. 10 in 2022

KOLERFLO Automatic Water Circulating Pump 110V Stainless Steel Domestic Water Heater Pump Solar Heater System Shower&Tap (RS15/9 SS Red)

KOLERFLO Automatic Water Circulating Pump 110V Stainless Steel Domestic Water Heater Pump Solar Heater System Shower&Tap (RS15/9 SS Red)
  • 1.Rated Power: 120W; Max flow: 30L/min; Rated Head: 25.9FT; Liquid Temperature range -10-+110℃; Voltage: 110V/120V, Frequency: 60Hz; Inlet/Outlet: 3/4 inch;Power Cord: 4.1ft.
  • 2.No leakage,low noise,environmental protection,aesthetics,ease of installation and so on.
  • 3.The pump body is made of stainless steel,Liquid temperature range -0℉ - 212℉ ; Maximum working pressure 10bar.
  • 4.120W Powerful motor, the Most powerful Type of this boost pump. It Can be used with water heater or hot water pressurization system, potable water system.
  • 5.High temperature resistance, anti-fraying ,high efficiency, high flow.

11 More Questions Answered

Can you have instant hot water with a tankless water heater?

Those who want immediate hot water have the option of installing a hot water recirculation system. Recirculation operates through a “loop” created in a home's or building's plumbing system. ... Combined with a tankless water heater, it truly will allow for instant, unlimited hot water.

Can I turn off my hot water recirculating pump?

Yes you can turn it off. Parasitic heat related currents will probably occur so you do not have standing water in the pipe. You may want to put it on a timer. There are many for things like Christmas lights that you can plug into the outlet and then plug the pump into.

How much electricity does a hot water recirculating pump use?

The cost of the electricity at $0.12 per kW for the small pump for 250 feet of pipe on a timer for eight hours a day with a sensor and switch that runs on average 3 minutes per hour and costs $1.40 to $1.59 a year in electricity. The . 79-A circulator uses 90 W and costs $4.73 a year.

Do hot water recirculating pumps work?

A switch or motion sensor located near each fixture activates an energy-efficient circulation pump. 2. The pump houses a temperature sensor and a check valve that prevents water from entering the return line. The pump moves water that's sitting in the line back to the water heater.

How big of a tankless water heater do I need?

Answer: You'll need to raise the incoming water temperature from 40 degrees to 105. You'll need to be able to heat at least 5.2 gallons of water. So you'll need a tankless water heater that can produce at least a 60 degree rise in temperature at 5.2 gallons per minute.

How long does it take to get hot water from a tankless water heater?

about 15 seconds

How does a hot water recirculating pump system work?

Full Recirculating Pump System This system creates a loop from the water heater to the faucet and back again. The unused hot water is drawn back through this loop by the pump, so when you turn on your hot water faucets, you get hot water quickly. ... The sensor shuts the pump off once hot water has made a complete loop.

How can I make my hot water faster?

How to Get Hot Water Faster
  • Insulate the Pipes. If you think your water pipes are to blame for your hot water troubles, adding insulation might improve your situation. ...
  • Hot Water Recirculation Pump. ...
  • Replace Fixtures with a Higher Flow Rate. ...
  • Upgrade to a Tankless Hot Water Heater. ...
  • Routine Preventative Maintenance.
  • Can I put a pump on my hot water?

    With this hot water booster pump. You can install our positive head hot water booster pump under your kitchen sink and it connects directly, via two 22mm push-fit flexible hoses, to your hot water supply. ... This type of hot water booster pump is ideal where the plumbing route includes multiple bends and elbows.

    Why does it take so long for my hot water to get hot?

    There are several reasons; the distance from the water heater, the diameter of the piping, and the flow rate of the water. The further the hot water has to flow, the longer it takes to heat up the shower faucet. This is especially true with a larger home.

    What size tankless water heater do I need for a family of 5?

    In short, a family of 5 would need a 10 GPM gas tankless heater or 27 kW electric tankless heater if you live in the northern part of the USA where the input water has a lower temperature. There the tankless heater has to work extra hard to bring the water temperature up to 110˚F or 120˚F.