Is the SIT Gas block Sigma 0840020 available from 3G Electric?

Yes — 3G Electric supplies genuine SIT products with in-stock availability on common SKUs and worldwide shipping.

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Does 3G Electric provide technical support for gas controls?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all gas controls we distribute.

SIT Gas block Sigma 0840020 - Gas Controls

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SITGas Controls

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SIT Gas block Sigma 0840020

SKU 3G-CBM-00383

Also listed as: BLO 05135 · BLO-05135

Brand

SIT

Item

Gas block Sigma 0840020

Technical Specifications

SIT

ev1 power

4.3 W 

ev2 power

2.0 W 

pilot outlet

M 10 x 1 

body material

aluminium alloy 

solenoid valves

2 automatic gas regulation 

ev1 voltage 230v

40 mA 

ev2 voltage 230v

12 mA 

main inlet outlet

G 3/4 ISO 228 

max inlet pressure

60 mbar 

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SIT Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Sit Sigma 0840020 is a gas block for automatic gas regulation in heating and industrial applications. It features two solenoid valves with 4.3 W and 2.0 W power consumption, G 3/4 ISO 228 main connections, and a maximum inlet pressure of 60 mbar, making it suitable for safety-critical gas control systems.

Used in

Common applications for SIT

Commercial boiler gas-control replacement — Sigma 845 / 848 on hot-water and steam boilers

Catering and commercial kitchen equipment — Eurosit 630 thermostatic valves on fryers, ovens, and steamers

Residential heating appliance service — NOVA 820 / 822 / 824 as OEM-replacement gas-control valves

Standing-pilot gas appliance refurbishment — Eurosit 630 and Minisit thermostatic controls

Industrial gas-fired process equipment — Sigma 848 modulating gas valves for burner integration

SIT Products

3G Electric supplies SIT 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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