Worcester Bosch Pressure Gauge Pushfit Brass Nut Type 87172081070

The Worcester Bosch 87172081070 is a pressure gauge that sits on the heating circuit of Worcester Bosch and Worcester British Gas Greenstar appliances. It gives a direct visual reading of system pressure so the boiler can be filled, topped up and monitored correctly. The gauge uses a pushfit connection with a brass nut, which makes it a straightforward swap on the appliances listed below.

• The needle no longer returns to zero when the system is depressurised
• The gauge reads a pressure that does not match the filling loop or a second gauge on the system
• The needle sticks, jumps or moves erratically as the boiler heats and cools
• Moisture, discolouration or condensation appears behind the gauge lens
• Water weeps from the pushfit or brass nut joint at the gauge body

• Check the GC number and appliance serial number against the compatibility list to confirm the gauge matches your model
• Note the alternative part numbers 1020029, N8853 and WB87172081070, which may appear on older documentation or labels
• Inspect the pushfit joint and brass nut seating before refitting, and replace any seal that shows hardening or damage
• This part is fitted to a gas appliance; installation must be carried out by a Gas Safe registered engineer.