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

3G Electric
Image not available
HONEYWELLHoneywell BW Technologies Replacement Sensors

HONEYWELL BW Technologies Quattro Catalytic LEL Sensor SR-W7-1S

The Honeywell BW Technologies Quattro Catalytic LEL Sensor (MPN SR-W7-1S) is a replacement sensor for the Quattro series gas detector. It detects Lower Explosive Limit (LEL) gases and has a 2-year life. 3G Electric…

SKU 3G-OTH-554168

Also listed as: SRW71S · SR W7 1S

Brand
HONEYWELL
Item
BW Technologies Quattro Catalytic LEL Sensor SR-W7-1S
Part Number
SR-W7-1S
Category
Honeywell BW Technologies Replacement Sensors
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

HONEYWELL
Manufacturer Part Number
SR-W7-1S
Type
BW, HONEYWELL BW, LEL, Sensor, Quattro, Catalytic, 2 yr
Part Type
Sensor
Gas Detected
LEL
Series [NEW]
Quattro
Sub-Brand [NEW]
BW
Compatible Detector Model/Series
Quattro

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

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

Product Description

The Honeywell BW Technologies Quattro Catalytic LEL Sensor (MPN SR-W7-1S) is a replacement sensor for the Quattro series gas detector. It detects Lower Explosive Limit (LEL) gases and has a 2-year life. 3G Electric interprets your demand for this genuine Honeywell sensor, sources it across our supply network, and supports your facility's gas-detection needs.

Frequently Asked Questions

What is the Honeywell BW Quattro Catalytic LEL Sensor used for?

This Honeywell sensor detects Lower Explosive Limit (LEL) gases in industrial environments. It is a replacement sensor for the Quattro series gas detector, helping protect personnel and facilities from combustible gas hazards in refineries, chemical plants, and other process industries.

What are the specifications of the Honeywell SR-W7-1S sensor?

The Honeywell SR-W7-1S is a catalytic LEL sensor for the Quattro series. It has a 2-year life, detects Lower Explosive Limit gases, and is manufactured by Honeywell BW Technologies. It is a genuine replacement part for the Quattro gas detector.

Where to buy Honeywell BW Quattro LEL sensor worldwide?

3G Electric supplies the genuine Honeywell BW Quattro Catalytic LEL Sensor (SR-W7-1S) to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you receive the correct replacement sensor for your gas detection system.

How to install the Honeywell Quattro LEL replacement sensor?

Installation should follow the Honeywell Quattro detector manual. Typically, power down the detector, remove the old sensor, insert the new SR-W7-1S sensor, and recalibrate per manufacturer instructions. Always verify proper gas response before returning to service.

Used in

Common applications for HONEYWELL
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits
Not sure this is the right part? Photo-identify it

HONEYWELL Products

3G Electric supplies HONEYWELL honeywell bw technologies replacement sensors. 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

More from HONEYWELL

View all HONEYWELL parts
HONEYWELL
HONEYWELL
Replacement sensor for Honeywell Touchpoint™ Plus gas detectors. Uses infrared (NDIR) technology to detect combustible gases (Ex) in the 0 to 100% LEL range (SIL l). 2-year lifespan
HONEYWELL
HONEYWELL
Replacement LEL sensor for the BW Flex detector, measuring combustible gases from 0 to 100% LEL. Designed for use in industrial environments where flammable gas monitoring is required. Sensor lifespan is 2 years
HONEYWELL
HONEYWELL
Replacement sulfur dioxide (SO2) sensor for Honeywell BW Flex gas detectors. Measures SO2 concentrations from 0 to 150 ppm. Designed for industrial safety applications where toxic gas monitoring is required, such as in chemical processing and refrigeration
HONEYWELL
HONEYWELL
Replacement sensor for BW RigRat gas detector. Detects combustible gases using non-dispersive infrared (NDIR) principle. Measurement range 0 to 100% volume. Suitable for monitoring explosive atmospheres in industrial environments
HONEYWELL
HONEYWELL
Replacement carbon monoxide sensor for the GasAlert Max XT series. Detects CO from 0 to 1,000 ppm with a 2-year sensor life. Suitable for industrial safety monitoring in confined spaces and process areas
HONEYWELL
HONEYWELL
Replacement sensor for the BW Flex gas detector. Detects hydrogen sulfide (H2S) in the range of 0 to 200 ppm. Suitable for industrial safety applications where monitoring of toxic gas exposure is required
HONEYWELL
HONEYWELL
Replacement Ex CAT sensor for BW RigRat portable gas detectors. Detects combustible gases in the 0 to 100% LEL range. Used in industrial safety applications to monitor for explosive atmospheres
HONEYWELL
HONEYWELL
Replacement infrared sensor for the Touchpoint™ Plus gas detector. Detects combustible gases (Ex NDIR) over a 0 to 100% LEL range with SIL l safety integrity. Part of the Honeywell BW Technologies line, this sensor has a 2-year lifespan and is used in industrial safety monitoring for combustible gas hazards

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first