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
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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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.
Frequently Asked Questions
What is the SIT 840 SIGMA gas block used for?
The SIT 840 SIGMA is a multifunction gas control block designed for domestic gas appliances such as boilers, combi boilers, water heaters, and stoves with direct or intermittent pilot ignition. It provides two automatic solenoid isolation valves for safety shut-off and a servo-assisted pressure regulator.
What are the specifications of the SIT 840 SIGMA gas block?
The SIT 840 SIGMA has a maximum inlet pressure of 60 mbar, operates on 230 V 50 Hz, and features G 3/4 ISO 228 main inlet/outlet connections. It includes two automatic solenoid valves (EV1: 4.3 W, 40 mA; EV2: 2.0 W, 12 mA) and an aluminium alloy body. A pilot outlet option is Rp 1/2 ISO 7.
Where to buy the SIT 840 SIGMA gas block in Singapore?
3G Electric supplies the SIT 840 SIGMA gas block to Singapore. We handle logistics, customs clearance, and delivery to your site. Contact our team for pricing and lead time on this safety-critical gas control component.
How to install the SIT 840 SIGMA gas block?
Mount the SIT 840 SIGMA in any orientation. Connect the main gas inlet and outlet using G 3/4 ISO 228 fittings. For electrical connections, use a Molex series 3003 male connector for the solenoid valves. Ensure the gas supply is off before installation and follow local gas safety regulations.
Used in
Common applications for SITSIT 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.
