Boiler house Level controls
2
Dimensions (approximate) in mm
39 mm
Pg 11 cable gland Withdrawal distance for cable socket 15 mm
105 mm
2.3 114
½" BSP
Weight approximately 0.25 kg
5 mm
Ø28 mm
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 PA420 is screwed into the top of the capacitance probe and hand tightened. An 'O' ring is supplied to provide a seal. An 'O' ring is also supplied with the probe. Use only one 'O' ring. Caution: 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 Preamplifiers shall be Spirax Sarco type PA420 for use with Spirax Sarco capacitance probes. Preamplifiers shall have austenitic stainless steel bodies and a screwed connection, with a DIN 43650 connector and Pg 11 cable gland.
How to order Example: 1 off Spirax Sarco PA420 preamplifier.
TI-P693-28 EMM Issue 1
PA420 Preamplifier
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