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An "FP thermostat"
usually refers to a product from FP Diesel, a brand making heavy-duty engine thermostats for trucks, or a thermostat with "FP" for Freeze Protection, like certain digital home models (Erie T201-FP) or specialized heating cable controls (FENIX PFP). It could also mean an FP code (Freeze Protection) displayed on PTAC units, activating heat below 40°F. Here's a breakdown of common meanings:
- FP Diesel Thermostat (Heavy Duty)
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FP Diesel Thermostat FP3076489
FleetPride
https://www.fleetpride.com › ... › Thermostat
FleetPride
https://www.fleetpride.com › ... › Thermostat
Cooling System > Thermostats > Thermostat >FP Diesel Thermostat. FP Diesel Thermostat. Part #: FP3076489|Brand: FP DIESEL|MPN #: FP-3076489. Add To Cart.Read more
People also ask
How do I get my thermostat off of permanent hold?
To turn off a permanent hold on your thermostat, look for a "Cancel," "Run Schedule," "Use Schedule," or "No Hold" button and press it; if you don't see one, adjust the temperature with the arrows and then press "Hold" or "Cancel" again, or try a power reset (batteries out for 30 secs) to clear it, as methods vary by model, especially for Honeywell.
This video demonstrates how to remove a permanent hold from a Honeywell thermostat:
Clean Crisp Air
YouTube · Feb 1, 2025
Common Methods by Thermostat Type
- Digital/Programmable (e.g., Honeywell, Nest):
- Press the Menu button, navigate to the Hold or Schedule section, and select Cancel Hold or Run Schedule.
- Press the Hold button repeatedly until "Permanent Hold" disappears or "No Hold" appears.
- Adjust the temperature (press +/-), and then look for a Cancel or Run Schedule button to press while the setpoint flashes.
Watch this video to see how to turn off the schedule on your thermostat:
Home Automations
YouTube · Mar 18, 2025
- Simple/Older Models:
- Look for a dedicated Run or Use Schedule button and press it.
- If there's no "Cancel" button, cycle the power by removing the batteries or turning off the breaker for about 30 seconds to reset it.
This video explains the difference between temporary and permanent holds on a thermostat:
HVAC Guide for Homeowners
YouTube · Feb 17, 2023
If It's Still Stuck
- Check for Stuck Buttons: A physical button might be jammed, causing the hold to remain active.
- Consult Your Manual: Instructions vary greatly, so the user manual for your specific model (e.g., Honeywell RTH series) offers the most accurate steps.
AI responses may include mistakes. Learn more
Remove Permanent Hold on Thermostat: Expert Help & Guide
Nov 22, 2023 — To remove a permanent hold on your thermostat, navigate to the 'Hold' or 'Permanent Hold' setting using the plus and m...
JustAnswer
Remove Permanent Hold on Honeywell Thermostat: Expert Guide
Jun 28, 2024 — Honeywell RTH7600D1030 Thermostat Permanent Hold Removal Guide. RTH7600D1030 users often face continuous run and diffi...
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How to take the thermostat off a permanent hold - Quora
Jun 30, 2018 — In order to leave the "permanent hold" mode, you only have to press the "use schedule" button on your thermostat. If y...
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How do I bypass the schedule on the TH4210U2002, TH4110U2005 ...
Sep 2, 2025 — * Press + or - to adjust the temperature. * TEMPORARY HOLD is displayed and the setpoint temperature flashes. While it...
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How To Remove Permanent Hold On Honeywell Thermostat – Step-By ...
Jun 27, 2025 — permanent hold is a thermostat feature that maintains a constant temperature by overwriting your program schedule unli...
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MANUAL Override | Honeywell RTH2510 2410 2300 Thermostat ...
Nov 19, 2023 — yourself this will hold 78 degrees indefinitely um this is the option that most people just want to know uh for a quic...
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Delete Permanent Hold on Honeywell Thermostat - Expert Help
Jul 26, 2024 — Honeywell Pro Series Thermostat Permanent Hold Issue Fix Pro Series thermostats often face permanent hold lock and dif...
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How long does permanent hold last on a thermostat?
A permanent hold on a thermostat lasts indefinitely, overriding your programmed schedule forever until you manually cancel it by pressing "Run," "Resume," or turning the hold off, making it ideal for long vacations or consistent temperatures; it doesn't expire on its own like a temporary hold.
Key Characteristics
- Indefinite Duration: It maintains your chosen temperature setting without time limits.
- Manual Cancellation Required: The setting remains active until you manually turn it off, ensuring your schedule isn't resumed automatically.
- Bypasses Schedule: It completely ignores your programmed heating and cooling times.
When to Use It
- Hosting guests for an extended stay.
- During long vacations when you want consistent comfort.
- For irregular schedules or periods of extreme weather.
How to Cancel
- Look for buttons like "Run," "Resume Schedule," "Cancel Hold," or simply adjust the temperature to exit the hold mode, depending on your thermostat model (e.g., Honeywell, Nest, Ecobee).
Vs. Temporary Hold
- Temporary Hold: Holds the temperature only until the next scheduled time change, then reverts to the schedule.
AI responses may include mistakes. Learn more
What Does Hold Mean on a Honeywell Thermostat? - Alarm Grid
Mar 19, 2019 — When a user sets a Hold, the thermostat is told to ignore the schedule and set the temperature based on the Hold setti...
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What Does Hold Mean on Thermostat & When to Use it| Lennox
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What is a Thermostat Temporary Hold? - Honeywell Home
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What Does Hold Mean on a Thermostat? - Trane®
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What is a Hold?
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What Does Hold Mean on a Thermostat? Explained Simply
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Temporary vs Permanent Hold: Pro Series TH3000 Guide
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Hold the temperature on your thermostat - Google Nest Help
This article only applies to the Nest Thermostat and Nest Learning Thermostat (4th gen). ... Note: The hold temperature feature is...
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What Does it Mean when Your Thermostat Says Temporary?
Oct 18, 2018 — This should not be confused with a permanent hold, which will not expire on its own at any point. Any permanent hold w...
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How Do I Take My Honeywell T6 Z-Wave Thermostat Off Hold? - Alarm Grid
Sep 19, 2018 — There are two main types of holds: * **Temporary Hold** Holds the temperature for a maximum of 12 hours * **Permanent ...
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Your HVAC Thermostat's HOLD feature
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What does temporary hold mean on a thermostat?
A temporary hold on a thermostat means you've manually set a different temperature, overriding the schedule, but only until the next scheduled change happens, at which point it automatically switches back to your normal program (like morning, daytime, etc.). It's a short-term comfort fix, like setting it cooler for an afternoon nap, without disrupting your long-term energy-saving schedule.
How it works:
- Manual Override: You adjust the temperature up or down.
- Automatic Resumption: The thermostat holds that new temp until the programmed time for the next setting arrives (e.g., when it's supposed to switch from 'Day' to 'Evening').
- Visual Cue: Your thermostat will often display "Hold" or "Temporary Hold" and sometimes a timer.
Temporary Hold vs. Permanent Hold:
- Temporary Hold: "Hold until [next event]".
- Permanent Hold: "Hold indefinitely" (until you manually cancel it).
When to use it:
- When you're home unexpectedly and want comfort now, but don't want to reprogram your whole week.
- For a quick adjustment for a few hours, knowing the system will save energy by reverting later.
AI responses may include mistakes. Learn more
What is a Thermostat Temporary Hold? - Honeywell Home
Sep 2, 2025 — What is temporary hold? Last updated: September 2, 2025. The temporary hold setting is when you change the temperature ...
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Thermostat HOLDS Explained!
Feb 17, 2023 — hold with the 8000. you can do a couple things so the first thing is if you want to cancel it obviously there's a butt...
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What Does Hold Mean on a Thermostat? - Trane®
“Hold” is a function on programmable thermostats. A temporary hold on the programmed schedule means you can raise or lower the tem...
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So THAT'S what a thermostat hold is for #hvac #hvactips #hold ...
Sep 27, 2023 — well the reason they even put these holds on these thermostats. or on days that if you have a schedule running for whe...
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What Does it Mean when Your Thermostat Says Temporary? - Alarm Grid
Oct 18, 2018 — A thermostat that says "temporary" means that the thermostat is in a temporary hold. The hold tells the thermostat to ...
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How do I know if my furnace thermostat is bad?
You know your furnace thermostat is bad if it's unresponsive, the display is blank, your HVAC system runs constantly or doesn't turn on, it short-cycles (turns on/off rapidly), or if the actual room temperature doesn't match the thermostat's reading, often indicating bad sensors or wiring issues. A simple check is to see if it clicks when you change settings; if it clicks but nothing happens, or if it doesn't click at all, it's a strong sign of a malfunction.
Key Signs of a Bad Thermostat
- Unresponsive Controls:Buttons don't work, or the screen is blank/frozen, even after changing batteries.
- HVAC Doesn't Turn On/Off:System doesn't react when you set the temperature above or below the current room temp.
- Short-Cycling:The furnace turns on and off too frequently, failing to complete a full heating cycle.
- Incorrect Readings:The thermostat's temperature doesn't match the actual room temperature, often due to dirty sensors or poor placement.
- Constant Running:The system runs non-stop, even after reaching the set temperature, indicating a miscalibration.
- Lost Settings:Programmable thermostats constantly lose their schedules.
- Uneven Heating:Inconsistent temperatures in different parts of the home suggest the thermostat isn't sending proper signals.
Troubleshooting Steps
- Check Batteries: Replace batteries first, as this solves many issues.
- Check the Breaker: A tripped breaker can cut power to the thermostat.
- Clean Sensors: Dust and dirt can block internal sensors; remove the cover and gently clean with a soft brush.
- Bypass Test (Advanced): If comfortable, turn off power and briefly connect the R (power) and W (heat) wires; if the furnace starts, the thermostat is likely bad.
If basic steps don't work, especially after the bypass test, it's time to call a professional HVAC technician to diagnose wiring or replace the unit.
AI responses may include mistakes. Learn more
Troubleshooting if a Thermostat is BAD: Explained!
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FP Diesel FP-23503826 Thermostat 170°F
Wofford Truck Parts
https://www.woffordtruckparts.com › ... › Thermostat
Wofford Truck Parts
https://www.woffordtruckparts.com › ... › Thermostat
The FP Diesel FP-23503826 Thermostat is designed for Detroit Diesel Series 71, 92 & 149 engines, opening at 170°F to maintain optimal engine temperature.Read more
$34.14In stockFree delivery over $5030-day returns
NEW FP Diesel R36847 Thermostat *FREE SHIPPING*
eBay
https://www.ebay.com › ... › Thermostats & Housings
eBay
https://www.ebay.com › ... › Thermostats & Housings
NEW FP Diesel R36847 Thermostat *FREE SHIPPING*. R. RCWholesales44 (47450). 99.4% positive feedback. $14.29. Free delivery - Arrives before Christmas. Get it ...Read more
$14.29In stockFree deliveryFree 30-day returns
FP thermostat
etopcontrols.com
https://www.etopcontrols.com › fp-thermostat
etopcontrols.com
https://www.etopcontrols.com › fp-thermostat
This wifi thermostat module is easy to install on all electric heaters with pilot wire to turn it connected and smart. Thanks to its 6 modes (Comfort, ...Read more
FP Diesel FP-3917324 Engine Coolant Thermostat
FinditParts
https://www.finditparts.com › products › fp-diesel-fp-39...
FinditParts
https://www.finditparts.com › products › fp-diesel-fp-39...
Regulate your truck's engine temperature efficiently with the FP Diesel Thermostat. What it does is that it opens and closes coolant flow channels based on ...Read more
$34.99In stock$21.11 delivery30-day returns
$40 off $400
(Copy code)G40400
fp diesel engine thermostat kit 190 deg f
Iron Wing Sales
https://www.ironwingsales.com › product › fp-diesel-eng...
Iron Wing Sales
https://www.ironwingsales.com › product › fp-diesel-eng...
FP-23532436 FP DIESEL ENGINE THERMOSTAT KIT 190 DEG F ... PLEASE NOTE: We have numerous crosses in our inventory system. You may receive a cross referenced part ...Read more
$25.00In stock
FMT24-SUPER-2S-FP-PROG - SCI USA
scillc.com
https://scillc.com › programmable-thermostats › fmt24-s...
scillc.com
https://scillc.com › programmable-thermostats › fmt24-s...
Flush mount, 24VAC thermostat, 5-1-1 programmable, with various selectable A/C configurations, Freeze Protection and 2 Fan Speeds · Features.Read more
FP Diesel FP-8929878 Thermostat
Turner Diesel Performance
https://turnersdiesel.com › fp-diesel-fp-8929878-therm...
Turner Diesel Performance
https://turnersdiesel.com › fp-diesel-fp-8929878-therm...
FP Diesel FP-8929878 Thermostat · $35.98 · Write a review.Read more
$35.98
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engine thermostat kit 190 deg f fp diesel - fp-23532436
Iron Wing Parts
https://ironwingparts.com › products › fp-diesel-afterm...
Iron Wing Parts
https://ironwingparts.com › products › fp-diesel-afterm...
FP DIESEL - FP-23532436 - ENGINE THERMOSTAT KIT 190 DEG F. $25.00. Unit price /. Unavailable. Pay over time for orders over $35.00 with. Learn more.Read more
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