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Saunier Duval Saunier thermocouple with lead L 600 - Gas Controls
Saunier DuvalGas Controls

Saunier Duval Saunier thermocouple with lead L 600

Saunier Duval thermocouple serves as a flame failure safety device in gas control applications, featuring a 600 mm lead length and 20 mm minimum bend radius. Suitable for heating systems and combustion safety circuits.

SKU 3G-CBM-00515

Also listed as: BLO 20205 · BLO-20205

Brand
Saunier Duval
Item
Saunier thermocouple with lead L 600
Category
Gas Controls
UNSPSC
40142201 — Gas regulators
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Technical Specifications

Saunier Duval
type
thermocouple
output
electromotive force (mV DC)
application
flame failure safety device
lead length mm
600
torque connection
3-4.5 Nm
min bend radius mm
20

Datasheet Content

TERMOPARES THERMOCOUPLES Descri ci6n Description Conectado a un grupo magnético, actua como dispositivo de A thermocouple fitted to a magnet unit within a gas contrai seguridad ante ausencia de llama en dispositivos de acts as a flame failure safety device. When the tip of combusti6n de gas. Cuando la cabeza del thermocouple is heated by the flame it termopar es calentada por la acci6n de produces an electromotive force la llama se produce una fuerza (E.M.F.J. Which is used to activate electromotriz (del orden de mV the electromagnetic unit. DC) que se utiliza para When the flame is mantener activado el extinguished the current grupo electromagnético; is reduced closing the cuando la llama se magnet unit which in apaga, la corriente se turn automatical/y reduce, produciéndose closes the gas supply. el cierre del grupo magnético, y el paso de gas al quemador queda automaticamente cerrado. • Homologaciones: • Approvals: A petici6n de nuestros clientes, determinados modelos de At the request of our clients some models of thermocouples termopares estan homologados en A.GA y C.G.A. are appoved on A. G .A. and C. G .A. lnstalaci6n Installation • El par de apriete aplicado al racord del termopar en su • The pressure applied to the nut of thermocouple in its conexi6n con el grupo magnético sera entre 3 y 4,5 Nm. connection in the magne! unit must be between 3 and 4,5 Nm. • Las conexiones deben estar limpias de suciedad, grasas • The connection must be free of dirt, grease, oil and other o aceites u otros elementos que impidan o dificulten la elements that may impede the electrical current. continuidad eléctrica del componente (rango de funcionamiento a tensiones muy bajas, del orden de • Tube type thermocouples must not be bent with a radius milivoltios). less than 20 mm. Wire type thermocouples must not be bent a radius less than 5 mm. ln both cases friction and • En los termopares de tubo se admiten radios de doblado contact with edges should be avoided in their installation. no inferiores a 20 mm. En los termopares de hilo se admite hasta un radio minimo de 5 mm. En ambos casos se deben evitar plegados y rozamientos con aristas de los dispositivos durante su montaje y manipulacion. TERMOPARES Description of components Cabeza Head!Tîp Conducto Conductor Tubo Tube Racord Conector coaxial Nut Coaxial connector Contacto Contact TERMOPARES THERMOCOUPLES Familias de termo res Types of thermocouples Familia Family T-100 Termopares de tubo T-620 H Termopares de 2 hilos con o sin terminal T-100 Tube thermocouples T-620 H 2 wire thermocouples with or without terminal T-300 Termopares de tubo con interruptor T-300 lnteTTUpted tube thermocouple ER- - +--""· + + �--- !!Bm- T-650 Termopares de 1 hilo con racord =w EDD11 T-650 Accesory 1 wire thermocouples T-400 Termopares de doble tubo interrumpidos T-400 lnteTTUpted double tube T-900 Alargaderas lIDIQ T-900 Lengthens T-500 Termopares de hilo coaxiales T-500 Wire coaxial thermocouple T-800 Termopares de 3 hilos T-800 3 wires thermocouples ���3S�=" T-61O Termopares de 1 hilo con o sin terminal T-610 1 wire thermocouples, with or without terminal T-680 Termopares de 2 hilos con racord -E3E:EEl:==j{H ���ffl=m�� T-680 Accesory 2 wires thermocouples T-620 G Termopares de 2 hilos con o sin terminal ::.:.:±..8 88 T-620 G 2 wire thermocouples with or without terminal Termopares especiales Especial thermocouples Orkli diseiia una soluci6n personalizada Or/di custom solutions for each application para cada aplicaci6n TERMOPARES THERMOCOUPLES AAagnetunftjuncffons c F V 0.8x7.7 L K cr, 0 N 15 2 H2 z X y 8 TERMOPARES THERMOCOUPLES Coupling to application Existen mas de 1000 conductos y mâs de 3000 modelos There are more than 1000 different conductors and more than diferentes, que se fabrican bajo demanda. 3000 models produced under request. Algunos ejemplos: Examples: 014 087 001 022 016 009 006 120 036 M8x1 M6,0.75 H<,10e/c 10 11

Technical Documents

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

Product Description

Saunier Duval thermocouple serves as a flame failure safety device in gas control applications, featuring a 600 mm lead length and 20 mm minimum bend radius. Suitable for heating systems and combustion safety circuits.

Frequently Asked Questions

Where can I buy the Saunier Duval BLO20205 thermocouple worldwide?

3G Electric is an authorized distributor of Saunier Duval thermocouples, including the BLO20205 model. We handle international logistics, customs clearance, and delivery to facilities worldwide. Contact us for availability and quotation.

What is the lead length and minimum bend radius of the BLO20205 thermocouple?

The Saunier Duval BLO20205 features a 600 mm lead length and a minimum bend radius of 20 mm. Connection torque is 3–4.5 Nm. These specifications ensure safe installation in combustion safety circuits.

What application is the Saunier Duval BLO20205 thermocouple designed for?

The BLO20205 is a flame-failure safety device thermocouple for gas control applications in heating systems. It generates electromotive force (mV DC) output to detect flame presence and trigger safety shutdown if ignition fails.

Used in

Common applications for Saunier Duval
Residential boiler maintenance — Saunier Duval Thelia23E circuit boards, thermostats, and diverter valves for scheduled service and repair
Heating-system emergency repair — Ionization electrodes, water-fill valves, and thermal extractors for rapid replacement during downtime
Boiler control diagnostics — Printed circuit boards and temperature probes for troubleshooting and sensor replacement in multi-unit facilities
Facilities management — Stock-holding of high-turnover Saunier Duval spare parts to reduce lead times across commercial building complexes
Service-technician inventory — Modular Saunier Duval clips, valves, and electronic sensors for field technician vehicles and service kits

Saunier Duval Products

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

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