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Watts Combination Fill and Relief Valve: Iron, 30 psi Factory Set Pressure - ASME Section IV Combination Pressure Relief & Regulator Valves
WattsASME Section IV Combination Pressure Relief & Regulator Valves

Watts Combination Fill and Relief Valve: Iron, 30 psi Factory Set Pressure

The WATTS S1450F is an ASME Section IV combination pressure relief and regulator valve with an iron body. It features a factory set pressure of 30 psi and is configured with union solder x FNPT connections.

SKU 3G-OTH-429718

Brand
Watts
Item
Combination Fill and Relief Valve: Iron, 30 psi Factory Set Pressure
Category
ASME Section IV Combination Pressure Relief & Regulator Valves
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Technical Specifications

Watts
Manufacturer Part Number
S1450F
Type
Union Solder x FNPT
Body Material
Iron
Factory Set Pressure
30 psi
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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS S1450F is an ASME Section IV combination pressure relief and regulator valve with an iron body. It features a factory set pressure of 30 psi and is configured with union solder x FNPT connections.

Frequently Asked Questions

What is the WATTS S1450F combination fill and relief valve used for?

The WATTS S1450F is used in ASME Section IV hot water heating systems to automatically fill the system with water and relieve excess pressure. It is commonly installed on boilers and hydronic heating loops to maintain safe operating pressure.

What are the specifications of the WATTS S1450F valve?

The WATTS S1450F has an iron body, a factory set pressure of 30 psi, and union solder x FNPT connections. It is an ASME Section IV combination pressure relief and regulator valve. The manufacturer part number is S1450F.

Where to buy the WATTS S1450F combination fill and relief valve worldwide?

3G Electric supplies the WATTS S1450F combination fill and relief valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the WATTS S1450F combination fill and relief valve?

Install the WATTS S1450F in the boiler supply line per ASME Section IV code. Ensure the union solder connection is properly soldered and the FNPT connection is sealed with thread tape. Always install a shutoff valve upstream and test for leaks after installation.

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 asme section iv combination pressure relief & regulator valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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