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  1. #1
    BPnet Veteran Lorgakor's Avatar
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    Could I use one thermostat to run two heating pads?

    I am getting a sand boa in a few weeks, and was also looking at getting a ball python. I was wondering if there is a thermostat that can run two heatmats at once? It would seem that these two species would both do well at a similar temp in the hot side, around 90 degrees? So I was hoping I could find a thermostat that would run two mats at once so I wouldn't have to buy two. Is that possible?

    I was probably going to purchase from here, would any of these work?
    http://www.beanfarm.com/store/agora...._Control&xm=on

    Or would something like this be better?

    http://www.shpreptiles.com/images/gg.jpg

    Johnson A419 temperature controllers

    Raw Units $125
    Wired $155

    A419 Series: Electronic Temperature Control

    Description

    The A419 series controls are single-stage, electronic temperature controls with a Single Pole, Double Throw output relay. They feature a lockable front-panel touchpad for setup and adjustment, and a Liquid Crystal Display for viewing the temperature and status of other functions. A Light-Emitting Diode indicates the controls’ output relay (On/Off) status. The A419 controls are available in 24 VAC or 120/240 VAC models. The A419 controls have heating and cooling modes, adjustable setpoint and differential, an adjustable anti-short cycle delay, and a temperature offset (setback) function. The setpoint range is -30 to 212°F (-34 to 100°C). The controls feature remote sensing capability and interchangeable sensors. The A419 controls are available in either NEMA 1, high-impact plastic enclosure suitable for surface or DIN rail mounting or NEMA 4X Watertight surface-mount enclosures.


    Features

    Easy-to-read LCD displays the sensed temperature and control-function status clearly and custom icons on the display indicate the control and system status at a glance.
    The 30° (F° or C°) temperature differential adjustment range allows precise (1F° or C°) temperature differential settings that are much tighter than electromechanical controls.
    The Adjustable Anti-Short Cycle Delay (0 to 12 Minutes in 1-Minute Increments) ensures that the output relay remains off for a user-set time delay, and helps avoid hard starts, nuisance overload outages, and unnecessary equipment wear.
    The Temperature Offset Function shifts the cut-in and cut-in setpoints by an adjustable offset when a user-installed, external switch closes the A419 control’s binary input circuit.
    The high-impact thermoplastic type NEMA 1 allows surface or snap-fit DIN rail mount; the Noryl® high-impact thermoplastic type NEMA 4X enclosures allow watertight surface mount.
    Lockable front-panel touchpad allows easy set up and adjustment of the A419 control setpoint, differential, and other functions; a concealed jumper locks the touchpad, and deters unauthorized adjustment of the control settings.
    Low and line-voltage models provides options for almost any refrigeration or HVAC control-voltage application.
    Last edited by dr del; 01-20-2010 at 05:39 PM. Reason: hotlinking I'm afraid but a link to it is fine ;-)

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