Glow-Worm 2000801020 Gas Valve Sit Tandem | Genuine Replacement Spare Part
- SKU
- EDDGLOWWORM102
Our Expert's Opinion
"A manufacturer approved gas valve that meters and controls fuel delivery for dependable boiler firing and combustion safety."Glow-Worm 2000801020 Gas Valve Sit Tandem
The 2000801020 Sit Tandem Gas Valve is built to original equipment specifications, ensuring tight tolerances, calibrated fuel metering, and robust material quality that align with the boiler manufacturer’s safety and performance expectations. Gas valves are at the core of the combustion control system — if they deliver too little gas, the boiler may struggle to maintain stable ignition or fail to reach temperature setpoints; if they deliver too much, combustion can be inefficient, unsafe, or prone to flame instability or lockouts. An OEM valve like this one matches the boiler’s control logic and combustion design, enabling seamless integration with sensors, ignitors, and safety interlocks to maintain safe and economic operation.
Over time, these valves may degrade due to factors such as mechanical wear, dirt or deposit build‑up, diaphragm fatigue, or repeated thermal cycling. Symptoms of a failing gas valve can include ignition delays, intermittent firing, unexplained flame loss, or persistent fault codes related to gas flow or combustion errors. Replacing a worn or malfunctioning valve with this genuine component restores precise gas metering, improves ignition reliability, and contributes to consistent heat output and lower emissions. Because this part governs a safety‑critical function, installation must be performed by a Gas Safe registered engineer who will ensure correct fitting, calibration, and compliance with all relevant gas safety regulations.
Glow-Worm provide a 1 year warranty on all spare parts. Electrical Deals Direct now sells a wide range of spare parts. If you cannot see the item you require on our website, please call 01934 253600 or email [email protected] for more information.
| MPN | 2000801020 |
|---|---|
| Product Code | EDDGLOWWORM102 |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Glow-Worm |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
Glow-Worm 2000801020 Gas Valve Sit Tandem
The 2000801020 Sit Tandem Gas Valve is built to original equipment specifications, ensuring tight tolerances, calibrated fuel metering, and robust material quality that align with the boiler manufacturer’s safety and performance expectations. Gas valves are at the core of the combustion control system — if they deliver too little gas, the boiler may struggle to maintain stable ignition or fail to reach temperature setpoints; if they deliver too much, combustion can be inefficient, unsafe, or prone to flame instability or lockouts. An OEM valve like this one matches the boiler’s control logic and combustion design, enabling seamless integration with sensors, ignitors, and safety interlocks to maintain safe and economic operation.
Over time, these valves may degrade due to factors such as mechanical wear, dirt or deposit build‑up, diaphragm fatigue, or repeated thermal cycling. Symptoms of a failing gas valve can include ignition delays, intermittent firing, unexplained flame loss, or persistent fault codes related to gas flow or combustion errors. Replacing a worn or malfunctioning valve with this genuine component restores precise gas metering, improves ignition reliability, and contributes to consistent heat output and lower emissions. Because this part governs a safety‑critical function, installation must be performed by a Gas Safe registered engineer who will ensure correct fitting, calibration, and compliance with all relevant gas safety regulations.
Glow-Worm provide a 1 year warranty on all spare parts. Electrical Deals Direct now sells a wide range of spare parts. If you cannot see the item you require on our website, please call 01934 253600 or email [email protected] for more information.
| MPN | 2000801020 |
|---|---|
| Product Code | EDDGLOWWORM102 |
| Part Origin | Genuine |
| Part or Accessory? | Part |
| Brand | Glow-Worm |
Delivery Information -
Standard delivery for all orders over £150 ex-VAT are free of charge.
If we can speed this up, we will, but you can also select Express Delivery when you check out and get your purchase more quickly (usually the next working day, subject to a 1pm cut-off): there is an extra charge for this ranging from £5 to £29.99 depending on the products you are buying.
We partner with several of the best UK carriers (such as TNT, Royal Mail, DPD etc) depending on the type of product and the warehouse it is coming from, and also with some pallet companies for larger items. All of these operate during normal Monday – Friday working hours, and we expect all deliveries to arrive in 5 days. For more details checkout this page.
Gledhill Cylinders – Delivery Charge -
For all Gledhill Cylinders, a flat delivery charge of £33.00 (ex-VAT) applies, regardless of order value or delivery method. This will be added automatically at checkout.
Returns Information -
Having to return a product because it doesn’t fit, or is not what you wanted, is really annoying! To try and make sure this isn’t necessary we have lots of helpful advice on our site, and you should feel free to call our experts on the number above to check if you are in any doubt at all – we’re always happy to help.
But if you do, don’t worry, just contact us and we’ll get it sorted (note that for trade customers there may be a restocking fee). If you need it, we can usually arrange the carrier to pick it up.
For full details of our policy, check out the small print here.
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