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Broag Sensor Temperature HL 720403701

Broag

Broag Sensor Temperature HL 720403701

Broag temperature sensor, part 720403701, for Broag Commercial boiler spare parts applications.

At a glance

  • Part type: temperature sensor (HL)
  • Also known as 1134762
Manufacturer part no.
720403701
Showing prices

£23.26

£19.38 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 Broag Sensor Temperature HL is a temperature sensing component used on Broag Commercial boiler appliances. It monitors temperature at its fitted point and feeds that reading back to the boiler control system. It is supplied as a spare part under Broag part number 720403701.

Signs this part needs replacing

  • Temperature readings that are erratic, implausibly high or implausibly low
  • Boiler cycling, short firing or failing to hold a steady flow temperature
  • Fault codes or lockouts relating to temperature sensing
  • Overheating trips or a boiler that runs cooler than the setpoint demands
  • Sensor resistance that falls outside the expected range when tested

Before you order

  • Confirm your appliance model against the manufacturer's parts list
  • Check the part number on the existing sensor matches 720403701
  • Check the connector type and lead length on the fitted sensor against the replacement
  • Confirm the sensor mounting arrangement on your appliance before ordering

Not sure which part?

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