L4031A,CPool Heater Aquastat® Controller
Copyright © 1995 Honeywell Inc. • All Rights Reserved

PRODUCT DATA

FEATURES

Pool control regulates pool water temperature.
L4031A pool side control is ambient-temperature
compensated so changes in air temperature do not
affect water temperature.
High limit provides shutdown protection to prevent
boiler overheating.
L4031A provides automatic high limit reset.
L4031C requires manual high limit reset.
Each limit control has its own remote-bulb sensing
element and snap switch for system control.
60-2107-5

GENERAL

The L4031A,C Pool Heater Aquastat® units are designed to
control pool water temperatures and provide high limit boiler
control.

Contents

General ............................................................................... 1
Features.............................................................................. 1
Specifications ...................................................................... 2
Ordering Information ........................................................... 2
Installation........................................................................... 3
Setting and Checkout.......................................................... 5
Material Safety Data Sheets ............................................... 6