Watts LF25AUB-Z3 1 1/4 1 1/4 I...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$960.49
Watts LF25AUB-Z3 1 1/4 1 1/4 In Lead Free Water Pressure Reducing Valve, Npt Female Union X Npt Female, Ss Seat, Adjustable 25-75 psi

Watts LF25AUB-Z3 1 1/4 1 1/4 In Lead Free Water Pressure Reducing Valve, Npt Female Union X Npt Female, Ss Seat, Adjustable 25-75 psi

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Model: LF25AUB-Z3 1 1/4
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$960.49
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1 1/4 In Lead Free Water Pressure Reducing Valve, Npt Female Union X Npt Female, Ss Seat, Adjustable 25-75 psi

LF25AUB-Z3 1 1/4 - spec sheet

Manufacturer Resources

Product Specs

Adjustable Reduced Pressure Range:
25 to 75
Adjustable Reduced Pressure Range Bar:
1.7 to 5.2
Body Material:
Lead Free Cast Copper Silicon Alloy
Buy American Act Compliant:
USA
Corrosion Resistant Coating:
Yes
Disc Material:
EPDM
Ean:
98268331431
Inlet Connection Size:
1 1/4 IN
Inlet Connection Type:
Female Threaded
Inlet Thread Type:
NPT
Lead Free:
Yes
Maximum Operating Temperature Fahrenheit:
160
Maximum Working Pressure Bar:
20.7
Maximum Working Pressure Psi:
300
Minimum Temperature Celsius:
0.5
Minimum Temperature Fahrenheit:
33
Outlet Connection Size:
1 1/4 IN
Outlet Connection Type:
Female Threaded
Outlet Thread Type:
NPT
Part Number:
9392
Series:
LF25AUB-Z3
Standard Reduced Pressure Setting Bar:
3.4
Standard Reduced Pressure Setting Psi:
50
Strainer:
Yes
Strainer Material:
Stainless Steel
Thermal Expansion Bypass:
Yes
Trim Material:
Stainless Steel
Valve Style:
Standard
Department:
Plumbing
Product Group:
Plumbing
Product Subgroup:
Valves
Product Type:
General Valve
Brand Name:
Watts
Gauge:
No Gauge

Watts LF25AUB-Z3 1 1/4 – Frequently Asked Questions

1) How does the Watts LF25AUB-Z3 connect to my piping, and do I need extra unions?
Both ends are 1-1/4 inch NPT female, and the inlet side is a union connection, so you get the union built in on that side. Plan on a male NPT adapter or nipple at each end to land on copper or PEX transitions. Because one side unions, you can pull the valve body for strainer cleaning or repair without cutting pipe.
2) Does this Watts pressure reducing valve handle thermal expansion from a water heater?
Yes. The LF25AUB-Z3 includes a thermal expansion bypass, which lets expanded water from the heater pass back toward the supply instead of spiking pressure on the house side. That is the Z3 feature set. It does not replace a thermal expansion tank where code or the heater manufacturer requires one on a closed system.
3) Does this Watts PRV have a built in strainer, or do I need a separate one ahead of it?
A stainless steel strainer is built into the valve, so no separate inlet strainer is required for normal service. Give yourself clearance at the strainer cap so it can be pulled and flushed, especially on well water or after a main break brings grit into the line.
4) Does the Watts LF25AUB-Z3 come with a pressure gauge?
No gauge is supplied with this one. If you want to read the reduced pressure without a hose bib test gauge, order a separate gauge, or specify the gauge-equipped version of the series instead. For a property manager standardizing across buildings, having the gauge on site makes annual pressure checks a lot faster.
5) Is the Watts LF25AUB-Z3 Buy American compliant for a government or institutional job?
Yes, it is recorded as Buy American Act compliant, USA. That matters on federally funded work, public schools, and military housing where domestic sourcing is written into the spec.
6) Will this valve hold up on an aggressive water supply?
The body is lead free cast copper silicon alloy with a corrosion resistant coating, and the internal trim, seat, and strainer are stainless steel rather than plastic or plated parts. That combination is what gets specified for long service on municipal and well supplies alike.
7) What exact part number do I order for the 1-1/4 inch Watts LF25AUB-Z3?
Order Watts model LF25AUB-Z3 1 1/4, Watts part number 9392. That is the 1-1/4 inch, NPT female union by NPT female, no-gauge configuration with the thermal expansion bypass.
How fast can I get the Watts LF25AUB-Z3 1 1/4 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Watts LF25AUB-Z3 1 1/4 come with a warranty?
Absolutely. The Watts LF25AUB-Z3 1 1/4 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Watts LF25AUB-Z3 1 1/4?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Watts LF25AUB-Z3 1 1/4 from ZenSupply?
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