Watts LFN36-M1-3/4" Brass Vacuum Release Valve, 3/4 in Inlet
The WATTS Vacuum Relief Valve (MPN LFN36-M1-3/4") is a brass vacuum release valve for domestic water heaters and supply tanks, with a 3/4 in inlet connection size. 3G Electric interprets this demand and sources the…
SKU 3G-OTH-431018
Also listed as: LFN36M134 · LFN36 M1 3 4 · LFN36-M1-3-4
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The WATTS Vacuum Relief Valve (MPN LFN36-M1-3/4") is a brass vacuum release valve for domestic water heaters and supply tanks, with a 3/4 in inlet connection size. 3G Electric interprets this demand and sources the genuine WATTS part across 14 industrial departments — with specialist depth in pumps and controls — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is a Watts vacuum relief valve used for?
A Watts vacuum relief valve prevents vacuum conditions in domestic water heaters and supply tanks. It automatically admits air when internal pressure drops below atmospheric, protecting tanks from collapse or implosion. Common in commercial and residential plumbing systems.
What are the specifications of the Watts LFN36-M1-3/4" vacuum relief valve?
The Watts LFN36-M1-3/4" is a brass vacuum relief valve with a 3/4 inch inlet connection size. It is designed for domestic water heaters and supply tanks. The manufacturer part number is LFN36-M1-3/4". Watts is the OEM brand.
Where to buy Watts vacuum relief valves worldwide?
3G Electric supplies Watts vacuum relief valves worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the LFN36-M1-3/4" model.
How to install a Watts vacuum relief valve on a water heater?
Install the Watts vacuum relief valve vertically on the cold water supply line or tank top, above the heater. Ensure the inlet connection matches your pipe size (3/4 inch for LFN36-M1-3/4"). Follow local plumbing codes and the manufacturer's instructions for proper orientation and sealing.
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Common applications for WattsWatts Products
3G Electric supplies Watts vacuum release valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- Watts Brass water pressure regulator with 1/4 in FNPT x FNPT connections. Adjustable from 50 to 175 psi. Low-lead compliant. Used to reduce and stabilize incoming water pressure in plumbing systems, protecting downstream fixtures and piping from pressure fluctuations
- Watts Non-code pressure relief valve for air, inert gas, and liquid systems. Brass body with 1/2 in male NPT inlet and 1/2 in female NPT outlet. Rated for maximum operating pressure of 175 psi and maximum temperature of 180°F. Used in industrial piping, compressors, and hydraulic circuits for overpressure protection