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Watts Boiler Feed Valve: Union Solder x FNPT, Brass, 212°F Max. Op Temp - Standard Capacity Water Pressure Regulators
WattsStandard Capacity Water Pressure Regulators

Watts Boiler Feed Valve: Union Solder x FNPT, Brass, 212°F Max. Op Temp

The WATTS Boiler Feed Valve (MPN B911S-M3) is a Standard Capacity Water Pressure Regulator with a Union Solder x FNPT connection. Constructed from brass, it has a maximum operating temperature of 212°F and an overall…

SKU 3G-OTH-439575

Brand
Watts
Item
Boiler Feed Valve: Union Solder x FNPT, Brass, 212°F Max. Op Temp
Category
Standard Capacity Water Pressure Regulators
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Technical Specifications

Watts
Manufacturer Part Number
B911S-M3
Type
Brass
Overall Ht
5 1/4 in
Max. Op Temp
212°F
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Boiler Feed Valve (MPN B911S-M3) is a Standard Capacity Water Pressure Regulator with a Union Solder x FNPT connection. Constructed from brass, it has a maximum operating temperature of 212°F and an overall height of 5 1/4 in.

Frequently Asked Questions

What is a Watts B911S-M3 boiler feed valve used for?

The Watts B911S-M3 boiler feed valve regulates water pressure entering a boiler system, ensuring consistent fill and safe operation. It is commonly used in commercial and industrial hydronic heating systems to maintain proper water levels and prevent overpressure.

What are the specifications of the Watts B911S-M3?

The Watts B911S-M3 is a brass boiler feed valve with a union solder x FNPT connection. It has a maximum operating temperature of 212°F and an overall height of 5 1/4 in. The manufacturer part number is B911S-M3, and it is a standard capacity water pressure regulator.

Where to buy a Watts B911S-M3 boiler feed valve worldwide?

3G Electric supplies the Watts B911S-M3 boiler feed valve to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this brass water pressure regulator.

How to install a Watts boiler feed valve?

Install the Watts boiler feed valve in the cold water supply line to the boiler, following local plumbing codes. Ensure the union solder connection is properly sealed and the FNPT threads are wrapped with PTFE tape. Always isolate the system and depressurize before installation to avoid damage.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts standard capacity water pressure regulators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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