SITGas Controls
SIT Gas block Sigma 0840035
The Sit 840 SIGMA is a multifunction gas control block with two automatic solenoid isolation valves, rated for 60 mbar maximum inlet pressure. Operating at 230 V 50 Hz with G 3/4 ISO 228 connections, it serves as a…
SKU 3G-CBM-00384
Also listed as: BLO 05136 · BLO-05136
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SIT Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The Sit 840 SIGMA is a multifunction gas control block with two automatic solenoid isolation valves, rated for 60 mbar maximum inlet pressure. Operating at 230 V 50 Hz with G 3/4 ISO 228 connections, it serves as a safety-critical component in gas appliance control systems.
Used in
Common applications for SITCommercial 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.
