Checking hours…Mon–Fri 7:30am–5pm · Sat 9am–12pm01302 279234Trade account
Glow-worm Gas Valve Sit Tandem 2000801159

Glow-worm

Glow-worm Gas Valve Sit Tandem 2000801159

Gas valve for Glow-worm Micron 30FF, 40FF and 50FF boilers, controlling gas supply to the burner.

At a glance

  • Part type: gas valve
  • Appliance family: Micron FF
  • Also known as 1330821
  • Work on the gas train must be carried out by a Gas Safe registered engineer
Manufacturer part no.
2000801159
GC number
E24-851
Showing prices

£254.59

£212.16 ex. VAT · VAT at 20%

Available to order · 3 working days
Available to order · 3 working days
Not certain it's the right part? The technical team verifies fitment before dispatch — no charge, and it stops a second trip.Call the technical teamSend a technical question

Same-day dispatch

Ordered by 4pm Mon–Fri, 10:30am Sat.

30-day returns

Unused, in original packaging.

What it is

The Glow-worm gas valve (product code 2000801159) is a SIT Tandem 0.830.013 valve used on the Micron FF range of gas boilers. It regulates the flow of gas to the burner, opening and closing on demand from the boiler's control sequence. It is a serviceable component within the gas train and is fitted by a Gas Safe registered engineer.

Signs this part needs replacing

  • The boiler fails to ignite and no gas is heard or sensed at the burner
  • Repeated lockouts on the ignition sequence with no flame established
  • The valve does not open or close when the boiler calls for heat
  • Intermittent or erratic burner operation traced to the gas train
  • Visible damage, corrosion or leakage around the valve body

Before you order

  • Confirm the appliance model is a Glow-worm Micron 30FF, 40FF or 50FF
  • Check the valve designation on the existing component matches SIT Tandem 0.830.013
  • Verify the product code 2000801159 against the manufacturer's parts list for your appliance
  • Work on the gas train must be carried out by a Gas Safe registered engineer

Not sure which part?

Search by part number, product name or brand — our technical team confirms fitment before anything is dispatched.