Evolve Z-Wave LFM-20 Fixture Module to turn on pool pump?

(Brooke) #1

Would it be possible to turn a pool pump on and off with an Evolve Z-Wave LFM-20 Fixture Module? Has anyone tried and does it handle the load?


(Tim Slagle) #2

Figure out what the wattage and amperage of the pump are. This is what the LFM-20 can handle:

Voltage 120 volts
Wattage 960 watts
Amperage Capacity 20 A

(Brooke) #3

Here are the specs on the pump:

115-230 volts
11.0/5.5 amps


Exact brand and model of the pump?

The LFM 20 is rated to handle a 1/2 HP motor. For most pumps, the motor number also matters. Many single speed pool pump motors are 3/4 HP, with 1.0 and 1.5 also being common. Even booster pumps usually start at 3/4 HP.

Also, where would you install it? Pool water is really hard on electronics, and the LFM20 isn’t even rated for tap water exposure, let alone chemicalized pool water. There is a potential fire risk if it’s in the splash zone.

(Brooke) #5

Ahh you’re right. It’s a 3/4 pump. Installing is easy as we already have a mechanical timer in the basement…so I would just remove that. Anything else that might work without the expense of the intermatic PE635RC?


If the switch is indoors, there are a couple of motor control devices, look for those. Check the HP ratings, though, some are really intended for curtain control.

Also check the SmartenIT devices, they definitely have some that are used with pump motors. If it’s zigbee HA 1.2 you should be able to get at least on/off control from smartthings, although you may need community member help to create a device handler if it doesn’t just pair as a switch or if you want some of the other features like energy monitoring.

The following device is on the official “works with SmartThings” list, so that’s a good start: