We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube - Stainless Steel Through-Tube Floats
NAUGATUCKStainless Steel Through-Tube Floats

NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube

The NAUGATUCK Tubed Float Ball is a stainless steel through-tube float ball, type 1/4 in through tube cylindrical, with a 1/4 in thread size (MPN GRT70S421A). 3G Electric interprets this demand and sources the…

SKU 3G-OTH-436549

Brand
NAUGATUCK
Item
Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube
Category
Stainless Steel Through-Tube Floats
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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.

Technical Specifications

NAUGATUCK
Manufacturer Part Number
GRT70S421A
Type
1/4 in, Through Tube, Cylindrical
Thread Size
1/4 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

NAUGATUCK Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NAUGATUCK Tubed Float Ball is a stainless steel through-tube float ball, type 1/4 in through tube cylindrical, with a 1/4 in thread size (MPN GRT70S421A). 3G Electric interprets this demand and sources the genuine NAUGATUCK part across 14 industrial departments, with specialist depth in controls to support your application.

Frequently Asked Questions

What is a NAUGATUCK tubed float ball used for?

A NAUGATUCK tubed float ball is used for liquid level sensing and control in industrial tanks, reservoirs, and process vessels. Its through-tube design allows it to slide along a guide rod or stem, making it suitable for mechanical or magnetic level switches in water treatment, chemical processing, and fluid handling systems.

What are the specifications of the NAUGATUCK GRT70S421A float ball?

The NAUGATUCK GRT70S421A is a cylindrical stainless steel through-tube float ball with a 1/4 in thread size. It features a 1/4 in through-tube design for guided operation. This model is built for durability in industrial liquid level applications and is identified by manufacturer part number GRT70S421A.

Where to buy NAUGATUCK float balls worldwide?

3G Electric supplies NAUGATUCK float balls worldwide, handling full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine parts like the GRT70S421A and coordinate international shipping. Contact us for pricing and lead time on this through-tube float ball.

How to install a NAUGATUCK through-tube float ball?

To install a NAUGATUCK through-tube float ball, slide it onto a clean, straight guide rod or stem matching the 1/4 in through-tube diameter. Ensure the float moves freely without binding. Secure the rod at both ends and verify the float's travel range aligns with your level switch or control mechanism. Follow standard industrial practices for liquid-level components.

Used in

Common applications for NAUGATUCK
Industrial tank level control — NAUGATUCK stainless steel threaded floats (e.g., GR70S414HG) used in liquid-level switches for chemical storage tanks.
Pump control systems — NAUGATUCK copper threaded floats (e.g., GRC5023RC) employed in sump pump level sensors for non-corrosive fluids.
Water treatment — NAUGATUCK through-tube floats (e.g., GRT70S421C) installed in guide-rod assemblies for reservoir level monitoring.
Process automation — NAUGATUCK stainless steel machine-thread floats (e.g., GR4X525304SS) integrated into automated fill/drain control circuits.
Marine bilge systems — NAUGATUCK copper floats (e.g., GRC1220RH) used in bilge pump switches for corrosion resistance in saltwater environments.

NAUGATUCK Products

3G Electric supplies NAUGATUCK stainless steel through-tube floats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
NAUGATUCK Float Ball: Float Ball, 1/4 in IPS Thread, 1/4 in Thread Size, IPS Thread, External (MPN GR10S414HE)
NAUGATUCK
NAUGATUCK Float Ball: Float Ball, 1/4 in IPS Thread, 1/4 in Thread Size, IPS Thread, External (MPN GR10S414HE)
NAUGATUCK Float Ball: Float Ball, 3/8 in IPS Thread, 3/8 in Thread Size, IPS Thread, External (MPN GR70S414HF)
NAUGATUCK
NAUGATUCK Float Ball: Float Ball, 3/8 in IPS Thread, 3/8 in Thread Size, IPS Thread, External (MPN GR70S414HF)
NAUGATUCK Float Ball: Float Ball, 1/8 in IPS Thread, 1/8 in Thread Size, IPS Thread, External (MPN GR45S421HD)
NAUGATUCK
NAUGATUCK Float Ball: Float Ball, 1/8 in IPS Thread, 1/8 in Thread Size, IPS Thread, External (MPN GR45S421HD)
NAUGATUCK Float Ball: Float Ball, 1/2 in IPS Thread, 1/2 in Thread Size, IPS Thread, External (MPN GR10S418HG)
NAUGATUCK
NAUGATUCK Float Ball: Float Ball, 1/2 in IPS Thread, 1/2 in Thread Size, IPS Thread, External (MPN GR10S418HG)
NAUGATUCK Float Ball: Float Ball, 3/8 in IPS Thread, 3/8 in Thread Size, IPS Thread, External (MPN GR10S414HF)
NAUGATUCK
NAUGATUCK Float Ball: Float Ball, 3/8 in IPS Thread, 3/8 in Thread Size, IPS Thread, External (MPN GR10S414HF)

More from NAUGATUCK

View all NAUGATUCK parts
NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube, Cylindrical (MPN GRT25S425A)
NAUGATUCK
NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube, Cylindrical (MPN GRT25S425A)
NAUGATUCK Tubed Float Ball: Float Ball, 3/8 in Connection Through Tube Size, Through Tube, 6 in Dia. (MPN GRT60S418B)
NAUGATUCK
NAUGATUCK Tubed Float Ball: Float Ball, 3/8 in Connection Through Tube Size, Through Tube, 6 in Dia. (MPN GRT60S418B)
NAUGATUCK Tubed Float Ball: Float Ball, 1/2 in, 1/2 in Thread Size, Through Tube, Cylindrical (MPN GRT45S421C)
NAUGATUCK
NAUGATUCK Tubed Float Ball: Float Ball, 1/2 in, 1/2 in Thread Size, Through Tube, Cylindrical (MPN GRT45S421C)
NAUGATUCK Tubed Float Ball: Float Ball, 3/8 in Connection Through Tube Size, Through Tube, 7 in Dia. (MPN GRT70S421B)
NAUGATUCK
NAUGATUCK Tubed Float Ball: Float Ball, 3/8 in Connection Through Tube Size, Through Tube, 7 in Dia. (MPN GRT70S421B)
NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in Connection Through Tube Size, Through Tube, 3 in Dia. (MPN GRT30S424A)
NAUGATUCK
NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in Connection Through Tube Size, Through Tube, 3 in Dia. (MPN GRT30S424A)
NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube, Cylindrical (MPN GRT50S419A)
NAUGATUCK
NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube, Cylindrical (MPN GRT50S419A)
NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube, Cylindrical (MPN GRT60S418A)
NAUGATUCK
NAUGATUCK Tubed Float Ball: Float Ball, 1/4 in, 1/4 in Thread Size, Through Tube, Cylindrical (MPN GRT60S418A)
NAUGATUCK Tubed Float Ball: Float Ball, 1/2 in, 1/2 in Thread Size, Through Tube, Cylindrical (MPN GRT80S421C)
NAUGATUCK
NAUGATUCK Tubed Float Ball: Float Ball, 1/2 in, 1/2 in Thread Size, Through Tube, Cylindrical (MPN GRT80S421C)