Valve Kit for Tankless Water Heater

If you have a tank less water heater you know the value of a valve that facilitates maintenance, installation and pressure release. These valves are not mandatory for you but if you have them installed; cleaning or repairing the unit will be much easier. Back in 1874, Joseph Watts a visionary entrepreneur founded ‘Watts Regulator Company’ which manufactured pressure reducing valves. These were made to regulate steam and ensure safe operation of water heaters and boilers. He was the one who entrenched high standard in valve technology. Watts have hundreds of valve for different uses Watts LFTWH-FT-HCN Service Valve Kit for Tankless Water Heater is one of them that are found to be very effective for tank less heaters.

Watts LFTWH-FT-HCN Service Valve Kit for Tankless Water Heater

Lead Free copper silicon alloy body

Firstly the valve is there to be in touch with your drinking water (occasionally) so you need the alloy to be safe. That is why it is very important the alloy does not contain any lead. Secondly Copper is most popularly known for their ability to avoid corrosion and still be economic. Beauty of lead free alloys is, instead of lead it contains bismuth as the major alloying element. Bismuth contributes to pressure tightness characteristics of pressure valves. Like lead it is completely insoluble in copper and has low melting point. So you are having a good product at a reasonable price.

Pressure relief valve

You surely need a pressure relief valve to let go of the hot water pressure that occurs from high temperature water. Watts LFTWH-FT-HCN Service Valve Kit has an optional pressure relief valve with 150 psi and 3⁄4" size connection. They do not come with the pressure relief valve but they have the provision to install a pressure relief valve. So if your tankless unit have an inherent pressure relief valve than it can add major value by connecting to it.

Gives easy flush

One obvious reason to buy LFTWH-FT-HCN Service Valve Kit for Tankless Water Heater, is to be able to flush the tank less unit worthlessly. This purpose is easily served. Plus ease in installation makes it worthy to have.

Many services at one point

According to the manufacturer they replace up to 18 fittings and 16 connections in general tank less water heater installations. They will facilitate isolation of the water heater from the water lines along with water heater purging, draining and a provision.

Saves water

In case your tank malfunctioned and water lines licked you can face major water overflow problem but existence of these valve makes it very easy to reverse the function and stop the water flow. Once line is closed you can be sangfroid and call the plumber to deal with it. Meanwhile you saved hundreds liters of water.


  • FPT unions for connection to water heater (all models).
  • FPT connection to water lines (FT models).
  • Full-port, quarter-turn ball valve with color-coded tee handle and union.
  • Comes with Quarter-turn purge and drain valve with hose connection and tethered brass cap.
  • No additional adapters required.
  • 600 WOG rated.

Cons with solution

Some of them lick

Solution-It is unlikely still if connection size mismatches some dripping can occur. Use Teflon tapes and uses it as many round as you need to wrap the line and see the difference. If still dripping occurs you can ask for a change.

Frequently Asked Questions

Q- Does it comes with a warranty?

Ans-Yes an year of limited warranty.

Q- Copper alloy sounds heavy, is it heavy?

Ans- It is a bit Weigh is 3.6 pound, but you need copper alloy it is lead free and effective for this purpose.


Watts LFTWH-FT-HCN Service Valve Kit for Tankless Water Heater are not a must gadget but ECO temp water heaters reportedly works great if you buy this and incorporate. Rinnai water heaters also have same size and can be associated with it. If you want your maintenance's to be easy and your tank fewer units does not give you a simple provision than this are totally worthy to spend on.

  • Updated last year
  • Watts
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