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Brass tankless water heater valve kit with union connections

Legend Valve

Legend Valve 101-150NL 3/4 FNPT tankless water heater valve kit

SKU CH-397H-TVC90

3/4-inch FNPT tankless water heater valve kit without pressure reducing valve, lead-free construction

  • 3/4" FNPT union simplifies tankless heater connections
  • Lead-free compliant construction meets California Proposition 65 standards
  • Complete valve kit enables straightforward installation
  • Durable brass body resists corrosion for long service life
  • Manufacturer-direct shipping ensures authentic Legend Valve quality

101-150NL Tankless Valve Kit

This Legend Valve kit provides 3/4 inch FNPT union connections for tankless water heater installations. The no-lead brass construction meets Proposition 65 disclosure requirements for chemical content. It arrives new and ships directly from the manufacturer for immediate use.

Installers needing union connections

Plumbers requiring a pressure-reducing valve must select a different kit because this model excludes that component. Buyers working with non-FNPT thread types or different pipe diameters will need alternative fittings. The kit suits standard tankless heater valve replacement or new installs.

3/4 inch FNPT no-lead union

The defining specification is the 3/4 inch FNPT by FNPT no-lead union configuration without a pressure reducing valve. This exact interface determines compatibility with the heater and piping. Verify thread size and the absence of pressure regulation before purchasing.

How it compares

Measured against everything we stock in Compressors, Inflators & Vacuum Pumps, at today’s prices. Recalculated every night.

Price $83.99
Pricier than about 71% of the 1,520 comparable items (median $36.99).

Specifications

Product
Brand nameLEGEND VALVE

Questions about this item

What does the 101-150NL model number tell me about this tankless water heater valve kit?

The 101-150NL identifies this Legend Valve kit as a 3/4 inch FNPT union by FNPT no-lead tankless water heater valve assembly supplied without a pressure reducing valve.

How does the 3/4 inch FNPT connection standard limit what piping I can use?

The 3/4 inch FNPT threads accept only matching 3/4 inch male NPT fittings, so all supply and outlet piping must use that exact thread size and taper.

What clearance do I need to install the union and valve body in a service bay?

The kit includes a union nut and valve body that require enough space to thread the nut onto the male adapter and operate the handle, so allow room for a wrench on the union and full handle travel.

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