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Senville · Thermostats & Wi-Fi

Senville thermostats and Wi-Fi kits: which one fits your unit?

Two wired wall thermostats, WRD-RMT25 and WRD-RMT23, and two Wi-Fi kits, SEN20-ACK1T and WIFI-KIT, matched against every Senville unit family sold here. Each cell quotes the Senville sentence that decides it. When two Senville pages say opposite things, we show both sentences instead of picking one.

4 controls2 wired thermostats2 Wi-Fi kits12 unit families
Find my unit in the matrixBook my free estimate
Updated October 26, 2026 · Senville help centre, senville.ca and senville.com re-read that day
The matrix at a glance
What Senville publishes for each control, across 12 unit families
WRD-RMT251110
WRD-RMT2384
SEN20-ACK1T84
WIFI-KIT57
CompatibleNot compatibleContradictionNot published

Number of families by status, from Senville’s pages re-read October 26, 2026.

4families where Senville’s pages contradict each other on the WRD-RMT23
0wired controller for the LETO: “LETO wall units do not support a wired controller”
18/2the thermostat wire Senville specifies, from the HA and HB terminals
2019since that year, Senville wall units ship with the Alexa USB kit

This page answersFor anyone adding a wall thermostat or Wi-Fi control to a Senville unit: which control fits which unit, and where Senville’s own pages contradict each other.

SENVILLE controls

Our 4 Senville controls online, right below.

Find your unit’s row in the matrix first: Senville asks you to verify compatibility before ordering.

WRD-RMT25wired Wi-Fi thermostatWRD-RMT23wired thermostatSEN20-ACK1TAlexa USB kitWIFI-KITiOS and Android Wi-Fi kit
SENVILLE
01 · The compatibility matrix

Four controls, 12 unit families: what Senville says about each pair

Find your unit’s row, then the control’s column. The number points to the Senville sentence that decides the cell, with its source.

Compatiblecompatible per SenvilleNot compatiblenot compatible per SenvilleContradictiontwo Senville pages contradict each otherNot publishedSenville does not name this pair
Your unitWRD-RMT25Wired Wi-Fi thermostatWRD-RMT23Wired thermostatSEN20-ACK1TAlexa USB kitWIFI-KITiOS and Android Wi-Fi kit
AURA wall unitR-454BNot publishedSenville names WRD-RMTIQ1Not compatible2Compatiblealready in the box3CompatibleOSK102 link not confirmed4
LETO wall unitR-454BNot compatibleno wired controller5Not compatible25Compatiblealready in the box3CompatibleOSK102 link not confirmed4
ELITE wall unitR-454BNot publishednot on the list6Not compatible2Compatiblealready in the box36CompatibleOSK102 link not confirmed4
Multi-zone, wall headsother heads: their format’s rowNot published7Not compatible2Compatiblesupplied? not stated37Compatiblewall heads47
4-way and 1-way cassettesNot publishedSenville names “WRM-RM23”1Contradiction8Compatible+ SENV-SP23 adaptor39Not publishedSENV-SP23 + unnamed kit9
Ducted unitsconcealed ductNot publishedSenville names “WRM-RM23”1Contradiction8Compatible+ SENV-SP23 adaptor39Not publishedSENV-SP23 + unnamed kit9
Floor consolesNot publishedSenville names “WRM-RM23”1Contradiction8Compatible+ SENV-SP23 adaptor39Not publishedSENV-SP23 + unnamed kit9
SENDC centralside dischargeCompatibleSENDC with Wi-Fi10Contradiction11Not published12Not published12
SENTC centralTop DischargeNot published12Not compatible2Not published12Not published12
R-410A wall unitsAURA · LETOprevious generationNot publishedAURA not published · LETO not compatible15Not compatible2Compatibleif made after 201913Compatibleif made after March 201913
SENPT PTACR-32Not published14Not compatible2Not published14Not published14
SENWH water heaterheat pump; NetHome Plus app per its manualNot published15Not compatible2Not published15Not published15

The Senville sentences behind each cell

  1. Help centre, table by unit: “AURA wall-mounted | WRD-RMTIQ” and “Ceiling cassette, concealed duct, floor mounted | WRM-RM23”. Senville names other controls there; the WRD-RMTIQ is not offered in this collection, and the spelling “WRM-RM23” appears on no Senville product page we read.
  2. senville.ca WRD-RMT23 page: “Compatible with all Concealed Duct and Ceiling Cassette Models Only.” The senville.com page adds “from 2022 and earlier Only”. The “Only” rules out wall units, central systems, PTACs and the water heater.
  3. Help centre, Alexa USB kit: “Included with wall-mounted units made from 2019 onward”. SEN20-ACK1T page: “Compatible with Senville indoor units manufactured after 2019”.
  4. WIFI-KIT page: “Plugs into any Senville wall mounted Ductless Split System with Production Date after March 2019.” For the Senville app, the help centre writes: “To use the Senville app, you need the OSK102 kit.” The WIFI-KIT page names neither OSK102 nor the app: the link between the two is not confirmed.
  5. Help centre: “LETO wall units do not support a wired controller.” Both thermostats on this page are wired.
  6. The ELITE is not in the help centre’s thermostat table. senville.ca ELITE page (October 14, 2026): “Use the included remote, voice control or Alexa app with the included USB kit.”
  7. Senville sorts its controls by indoor-unit format, not by system: a multi-zone cassette, ducted or console head follows its format’s row (our reading). For wall heads, Senville does not say whether the Alexa kit is in the box.
  8. Three Senville sentences: senville.com, “…Ceiling Cassette Models from 2022 and earlier Only”; senville.ca, the same models with no year limit; help centre, “WRM-RM23” for cassettes, ducted units and consoles. The product pages exclude consoles; the help centre includes them, if “WRM-RM23” does mean the WRD-RMT23 (not confirmed).
  9. Help centre: “Ceiling cassette, concealed duct and floor/ceiling units can also use WiFi”, then “Each indoor unit needs one SENV-SP23 adaptor plus one WiFi kit”. The kit is not named there, and the senville.ca SENV-SP23 page names no compatible unit or kit.
  10. Help centre: “Central air (SENDC) with WiFi | WRD-RMT25”. The senville.ca page uses the words “replacement thermostat mini split systems” and asks you to verify compatibility before ordering.
  11. Help centre: “Central air (SENDC) | WRD-RMT23”. Yet both WRD-RMT23 pages limit the thermostat to ducted units and cassettes (“Only”).
  12. No control page and no help-centre article names the SENTC, and Senville publishes no thermostat for it. The help centre only says that the other-brand wall thermostats it names work with its central units, without saying which centrals.
  13. Three cut-offs depending on the page: “after 2019” (SEN20-ACK1T), “from 2019 onward” (Alexa kit supplied) and “after March 2019” (WIFI-KIT). Senville does not say where to read the unit’s production year.
  14. senville.com PTAC pages: “Remote, digital panel, and wireless smart kit included”, with no app named. None of the four control pages mentions PTACs.
  15. SENWH “Use & Care” manual (no version or date, read October 14, 2026): “NetHome Plus” app, 2.4 GHz network, built-in CTA-2045 port, “WiFi-ready”. None of the four control pages mentions the water heater.

Senville help centre: articles on thermostats (modified October 8, 2026) and Wi-Fi (modified October 8, 2026). Pages for the four controls and the SENV-SP23 adaptor on senville.ca, WRD-RMT23 page and PTAC pages on senville.com. All re-read October 26, 2026, unless stated. Each row links to our page for that family; the family does not replace your unit’s model number.

02 · Alexa or the Senville app

Two kits, two apps, and a third route for non-wall units

The Alexa kit shipped with a wall unit only serves the Alexa app. The Senville app needs another kit, and cassettes, ducted units and consoles add an adaptor.

With the Alexa app

  1. UnitSenville wall unit made since 2019
  2. ModuleAlexa USB kit supplied with the unit; SEN20-ACK1T sold on its own
  3. AppAmazon Alexa, on a phone or by voice

With the Senville app

  1. UnitThe same unit
  2. ModuleKit sold separately, called OSK102 by the help centre; WIFI-KIT here, link not confirmed
  3. AppSenville, “also called NetHome Plus”, iOS and Android

“The included Alexa kit will not pair with the Senville app.”

Cassette, ducted or console

  1. UnitCassette, concealed duct or console
  2. AdaptorOne SENV-SP23 per indoor unit
  3. ModulePlus one Wi-Fi kit, not named by Senville

Three dates for one cut-off

“after 2019” on the SEN20-ACK1T page, “from 2019 onward” in the help centre, “after March 2019” on the WIFI-KIT page. For a unit made in 2019, compatibility is still to be confirmed with Senville.

Another voice assistant?

The WIFI-KIT page mentions “google home assistance” and an app “for IOS or Android” without naming it. The help centre names only the Alexa app and the Senville app.

No computer, no browser

“There is no PC, Windows or web-browser control.” Remote control goes through the Alexa app or the Senville app, on iOS and Android, on a 2.4 GHz network.

Senville help centre, “How to Connect Your Mini Split to WiFi” and the thermostat article, modified October 8, 2026; senville.ca SEN20-ACK1T and WIFI-KIT pages. Re-read October 26, 2026.

03 · The wired thermostats

WRD-RMT25 and WRD-RMT23: what Senville publishes, and what an ordinary thermostat will not do

Wired Wi-Fi wall thermostat

WRD-RMT25

Senville’s name“Wired WIFI Thermostat”
Assigned by the help centre tothe SENDC central with Wi-Fi
What the page says“Genuine Senville replacement thermostat mini split systems.”
Functionsnot published
Wi-Fi appnot published
Warrantynot published
See the AirGreen product pagesenville.ca and help centre, October 26, 2026
Wired wall thermostat

WRD-RMT23

Senville’s name“Wired Remote Control Thermostat”
Published functionsFollow Me, Turbo Mode, Self Clean
senville.comducted units and cassettes, 2022 and earlier models only
senville.caducted units and cassettes only, no year limit
Help centreSENDC central
Warrantynot published
See the AirGreen product pagesenville.com, senville.ca and help centre, October 26, 2026
The house thermostat?

Not on a mini split

“Senville mini splits work with Senville wired controllers, not with regular household thermostats.”Senville help centre, October 8, 2026

The same article limits the other-brand wall thermostats it names to Senville central systems.

The wiring

An 18/2 wire, run by a technician

“Use 18/2 thermostat wire from the HA and HB terminals”Senville help centre, October 8, 2026

Senville adds that a licensed HVAC technician or electrician should make this connection. Neither thermostat page gives a wire length or a diagram.

Questions

Four questions about Senville controls, answered from Senville’s own pages

Which wall thermostat works with my Senville unit?

Senville answers by unit type: WRD-RMTIQ for the AURA wall unit; “WRM-RM23” for cassettes, ducted units and consoles; WRD-RMT23 for the SENDC central, and WRD-RMT25 for the SENDC with Wi-Fi. The LETO wall unit takes no wired controller. The ELITE and the SENTC are not in the answer.

Question published by Senville: “Which wall thermostats and controllers work with my Senville unit?”, help centre, modified October 8, 2026, re-read October 26, 2026.
Can I keep my ordinary wall thermostat?

Not on a Senville wall unit, cassette, ducted unit or console. Senville writes: “Senville mini splits work with Senville wired controllers, not with regular household thermostats.” The same article limits the other-brand wall thermostats it mentions to Senville central systems.

Same Senville help-centre article, modified October 8, 2026.
How do I set up the Senville Wi-Fi kit?

Choose the app first. For Alexa, the USB kit shipped with wall units since 2019 is enough. For the Senville app (NetHome Plus), you need the kit the help centre calls OSK102, sold separately: the Alexa kit will not pair with it. A cassette, ducted unit or console also needs one SENV-SP23 adaptor per indoor unit, and the network must be 2.4 GHz.

Senville help centre, article “How to Connect Your Mini Split to WiFi” (address “how-do-i-setup-the-senville-wifi-kit”), modified October 8, 2026, re-read October 26, 2026.
Is the WIFI-KIT the help centre’s OSK102 kit?

Senville does not say. The help centre names the “Senville Smart WiFi Kit (OSK102)”; the WIFI-KIT page is titled “Senville Smart WiFi Kit for iOS and Android” but mentions neither OSK102 nor the Senville app. We treat it as not confirmed until Senville writes it.

Senville help centre, Wi-Fi article, and senville.ca WIFI-KIT page, re-read October 26, 2026.
AirGreen
AirGreen × SENVILLE

The right thermostat or kit, checked against your model number.

Send us your indoor unit’s model number and production year: we place it in the matrix, tell you what Senville confirms and what it leaves unclear, then install the control.

Book my free estimate514 316-2973

Sources

  1. Senville help centre: “Which wall thermostats and controllers work with my Senville unit?” (article 151000222840), modified October 8, 2026, read October 26, 2026.
  2. Senville help centre: “How to Connect Your Mini Split to WiFi” (article 151000215210), modified October 8, 2026, read October 14 and 26, 2026.
  3. Senville, SENWH-HP50, HP65 and HP80 water heater “Use & Care Manual with Installation Instructions” (senville.com, no version or date), read October 14, 2026.
  4. Senville Canada, senville.ca: “Wired WIFI Thermostat” (WRD-RMT25), “Wired Remote Control Thermostat”, “Senville Smart WiFi USB Kit for Mini Split, Works with Alexa” (SEN20-ACK1T), “Senville Smart WiFi Kit for iOS and Android” (WIFI-KIT) and “Smart Port (SENV-SP23)” pages, read October 26, 2026.
  5. Senville, senville.com: “Wired Remote Control Thermostat” (WRD-RMT23) page and SENPT PTAC pages, read October 26, 2026.
  6. Senville Canada, senville.ca: ELITE 12,000 BTU page, read October 14, 2026.
  7. airgreen.ca product pages for the four controls, re-read October 26, 2026.

Prices on quotation.