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3G Electric
Saunier Duval Water fill valve Saunier Duval 51746 - Boiler Spare Parts
Saunier DuvalBoiler Spare Parts

Saunier Duval Water fill valve Saunier Duval 51746

SAUNIER DUVAL Water fill valve 51746

SKU 3G-CBM-05269

Brand
Saunier Duval
Item
Water fill valve Saunier Duval 51746
Category
Boiler Spare Parts
UNSPSC
40101851 — Boiler parts and accessories
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Saunier Duval Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

SAUNIER DUVAL Water fill valve 51746

Frequently Asked Questions

What is the Saunier Duval 51746 water fill valve used for?

The Saunier Duval 51746 water fill valve is a boiler spare part used to manually refill the heating system with water when pressure drops. It is commonly installed on residential and light-commercial gas boilers in Singapore to maintain correct operating pressure and protect the system from dry-firing or low-pressure faults.

What are the specifications of the Saunier Duval 51746 water fill valve?

The Saunier Duval 51746 is a genuine OEM water fill valve designed for Saunier Duval boilers. It features a brass body with a manual twist-handle for opening and closing the water supply. The valve connects to standard 1/2-inch BSP threads and operates at typical mains water pressure up to 6 bar.

Where to buy the Saunier Duval 51746 water fill valve in Singapore?

3G Electric supplies the Saunier Duval 51746 water fill valve to customers in Singapore. We source genuine OEM parts and handle logistics, customs clearance, and last-mile delivery to your site. Contact our technical sales team for pricing and lead time on this boiler spare part.

How to install the Saunier Duval 51746 water fill valve?

Installation of the Saunier Duval 51746 water fill valve should be performed by a qualified gas engineer. Isolate the boiler and drain the system to below the valve level. Apply PTFE tape to the threads, hand-tighten the valve into the fill loop, then open the handle slowly to refill the system to 1.0–1.5 bar.

Used in

Common applications for Saunier Duval
Residential boiler maintenance — Saunier Duval diaphragm kit 53286 for pressure regulation in wall-hung boilers
Light commercial heating systems — Saunier Duval safety valve 3 bar S1006700 for overpressure protection
Preventive servicing — Saunier Duval membrane kit D.55mm 54450 for expansion vessel replacement
Thermostat replacement — Saunier Duval safety thermostat 72°C isofast S57211 for overheat protection
System flushing and cleaning — Saunier Duval magnetic fitting Thelia23 051160 for debris capture
Routine seal replacement — Saunier Duval bag of 50 boiler seals Themac 054510 for gasket renewal
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Saunier Duval Products

3G Electric supplies Saunier Duval boiler spare parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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