Boiler house

Level controls

Dimensions (approximate) in millimetres (inches)

Safety information, installation and maintenance

This document does not contain sufficient information to install the

product safely. See the Installation and Maintenance Instructions

provided with each unit.

Installation note:

The LP31 tip is cut to length and de-burred prior to installation. The

LP31 has been designed to work with a Spirax Sarco LC3050

controller.

A protection tube is required for boiler shell or turbulent tank fitting.

Install the probe in a 1⁄2" BSP parallel (1⁄2" NPT) female connection

using PTFE tape.

Note: Do not install the probe outdoors without additional

weather protection.

Maintenance note:

No special maintenance is required.

Boiler water level controls do, however, require periodic testing and

inspection, which is described in separate literature.

Spare parts

There are no available spare parts for this unit.

How to specify

High integrity high level alarm probes shall be Spirax Sarco

self-monitoring type LP31 with an austenitic stainless steel body

and probe tip, PTFE probe sleeving, and DIN 43650 cable socket

with Pg 11 cable gland. They shall be cut to length on installation

and be used with an appropriate Spirax Sarco controller.

How to order

Example: 1 off Spirax Sarco LP31 high integrity, self-monitoring,

high water level alarm probe with 1 000 mm (39.4") tip.

Withdrawal distance

for cable socket 15 (0.6")

39 (1.5")

183 (7.2")

Ø28 (1.1")

27 A/F

1⁄2" BSP taper

(R1⁄2) connection

The LP31 is also

available with a

1⁄2" NPT screwed

connection,

approved to

UL61010.

Please note that

this version will

not be marked

and is not suitable

for Europe.

Ø6 (0.24")

Ø5 (0.2")

Tip length

500 (19.7"), 1000 (39.4")

or 1500 (59")

Weights (approximate) in kg (lb)

Tip length

500 mm

Weight

0.51 (1.1)

1000 mm

0.59 (1.3)

1500 mm

0.67 (1.5)

TI-P402-81 AB Issue 6

LP31 High Integrity, Self-monitoring, High Water Level Alarm Probe

2.3.24