A thermostat is one of those parts you never think about until a temperature gauge starts climbing or a heater runs cold. The Stant family of cooling and climate-control components covers both ends of that equation, from engine coolant thermostats and gaskets to wall-mounted digital units for your home HVAC system. The picks below lean on the same Stant heritage, whether you need a 180-degree coolant thermostat for a daily driver, an adhesive-backed gasket to speed up a weekend repair, or a programmable wall thermostat to replace a clunky analog dial. The goal here is to match the right part to the right job, so you spend less time hunting and more time wrenching or adjusting.
The Leading Options At A Glance
MotoRad 13908 Thermostat 180 Degrees
MotoRad 25160 Thermostat Gasket
PRO1 T725 Heat Pump/Conventional Programmable Thermostat
PRO1 T771 Single Stage Non-Programmable Thermostat
PRO1 T701 Single Stage Non-Programmable Thermostat
PRO1 T715 Multi-Stage Programmable Gas Thermostat
PRO1 T721 Non-Programmable Wall Thermostat
MotoRad 14778 Coolant Thermostat/Water Outlet Assembly
PRO1 T805 Single Stage Programmable Wall Thermostat
MotoRad 13399 Thermostat 195 Degrees
More Details On Our Top Picks
Cooling-system swaps usually start with a part number match, and the MotoRad 13908 is built for exactly that kind of job. The 180-degree opening temperature suits many domestic engines, and the original-equipment design aims at drop-in fit so you are not chasing adapter plates or trimming tabs on the bench. The patented ELAC heat motor (a thermally responsive element that expands predictably to open the valve) is the kind of detail that separates a “fits” thermostat from one that actually holds steady calibration through heat cycles.
For most home mechanics, this is the kind of part you buy once, install, and forget about. The unit is positioned for direct replacement, so the install is mostly draining, swapping, and refilling. Owners commonly report that a fresh thermostat returns the gauge to its normal mid-range behavior within a short drive. Compared to the MotoRad 25160 gasket later on this list, this is the working component, not the seal.
The Good Stuff
- OEM-style fit removes guesswork during install
- ELAC heat motor holds consistent valve response
- 180-degree rating matches many factory specs
- Direct-replacement design for routine coolant service
Things To Consider
- Confirm your engine’s rated opening temperature before ordering
- Coolant refill and bleed procedure still applies after install
Feature Snapshot
Who It Suits Best
Shade-tree mechanics and everyday drivers who need a calibrated replacement that bolts in without drama.
Where Another Pick Suits Better
For engines that need a combined thermostat and housing swap in one part, the MotoRad 14778 assembly later on the list may be a better fit.
Gasket cement is one of those small joys of an old-school cooling job that turns messy fast. The MotoRad 25160 replaces that routine with a peel-and-stick STAT LOK backing that holds the thermostat centered in the counter bore (the recessed seat machined into the housing that receives the thermostat). With the part stuck in place, both hands stay free to align the outlet casting and run the bolts, which is a quiet win in a tight engine bay.
Each gasket is cut for a specific application, so you are not trimming generic sheet material to size. There is no toxic cement to deal with, and the risk of the thermostat dropping into the water jacket during alignment drops sharply. Compared to the MotoRad 13908 thermostat, this is a supporting part, not a working valve, and it works best paired with a matching thermostat swap.
The Practical Payoff
- Adhesive backing holds the part centered during install
- Eliminates the need for gasket cement
- Reduces risk of misalignment that can crack outlet castings
- Application-specific cuts remove trimming work
Trade Offs
- Must be matched to the specific housing application
- Single-use adhesive backing, so repositioning is limited
Made For
DIY garage mechanics who want a cleaner install and fewer chances of a misaligned thermostat.
Not Your Match When
Anyone who only needs the working thermostat should pair this with the MotoRad 13908, not use it on its own.
Homes with a heat pump often end up with a thermostat that was never really designed for one, leading to short-cycling or odd auxiliary heat behavior. The PRO1 T725 covers both worlds, working as a 2 heat/1 cool heat-pump controller or a 1 heat/1 cool conventional controller, which gives it unusual flexibility for a single wall unit. The 4-square-inch blue backlit display is large enough to read from across the room, and the scheduling options (7-day or 5/1/1) cover most household routines.
For families running a tight weekly schedule, the programmable wake, leave, return, and sleep periods help trim utility bills without thinking about it. The trade-off shows up in setup: heat-pump systems often need configuration choices that a beginner may need to walk through carefully. Compared to the PRO1 T701 later in the list, this is the more feature-heavy sibling, while the T701 is dialed back to single-stage simplicity.
What Stands Out
- Dual-mode support for heat pump and conventional systems
- 7-day and 5/1/1 scheduling for flexible weekly routines
- Backlit 4-square-inch display is easy to read at a glance
- Sits on the T700 platform known for steady behavior
Points To Keep In Mind
- Heat-pump setup requires careful configuration of staging
- More features than a household with a simple single-stage system may use
- Programming interface is button-driven, not touchscreen
Best Suited To
Homeowners with a 2H/1C heat pump who want a real schedule and a readable display.
Skip It When
For a no-schedule, single-stage setup, the PRO1 T701 keeps things simpler and is worth a look.
Most residential thermostats cap out around 50 or 60 degrees on the low end, which is fine for a house but useless in a garage or workshop where freezing pipes or winter projects matter. The PRO1 T771 widens the setpoint range to 25 to 90 degrees Fahrenheit, which makes it a sensible pick for unconditioned spaces that still need real temperature control. The same 4-square-inch backlit screen carries over from the main T700 line, so visibility is not sacrificed for the specialty use case.
There is no schedule to program, and that is the point. Owners of sheds, detached garages, and basement workshops often prefer a simple up-and-down setpoint rather than a weekly routine. The catch is that the T771 is not a fit for households wanting 7-day programming, and a glance at the PRO1 T805 later in the list shows where the programmable version lives.
The Value In It
- Wide 25F to 90F setpoint range suits low-temp spaces
- Backlit 4-square-inch display is easy to read in dim spaces
- Non-programmable design keeps the interface minimal
- Single-stage compatibility covers most basic HVAC setups
Honest Caveats
- No scheduling, so manual adjustment is required
- Single-stage only, not suited to multi-stage equipment
Who Will Love This
Owners of garages, sheds, or workshops that need real low-temperature control without a learning curve.
Look Elsewhere When
For a main living area where weekly scheduling matters, the PRO1 T805 offers programmable modes on a larger screen.
Replacing a thermostat should not require a manual thicker than the wall plate. The PRO1 T701 is built on the same T700 platform as the T725, but strips the programming layer out entirely, leaving a clean up-and-down setpoint control on a 4-square-inch blue backlit display. A glow-in-the-dark light button is a small touch that pays off when you walk past the hallway at night.
For most single-stage homes, the T701 covers the core need: accurate setpoint, gas or electric compatibility, and battery or hard-wire power. Owners commonly report that install takes under an hour with basic tools, and the lack of scheduling means there is nothing to misconfigure. Compared to the PRO1 T715 reviewed next, this is the simpler cousin without the multi-stage gas capability.
Useful Highlights
- Glow-in-the-dark light button for night operation
- Gas or electric compatibility covers most households
- Battery or hard-wire power options
- Backlit 4-square-inch display reads clearly across the room
Points To Note
- No scheduling, so weekly routines need manual adjustment
- Single-stage only, not a fit for two-stage systems
Feature Snapshot
Right Fit For
Households with a basic single-stage system who want clean, no-schedule temperature control.
Another Choice May Suit
For a two-stage gas furnace with weekly scheduling, the PRO1 T715 covers that setup with more flexibility.
Two-stage gas furnaces benefit from a thermostat that knows there are two stages to manage, otherwise the system short-cycles or runs hotter than it should. The PRO1 T715 is built around 2 heat/2 cool staging, with 7-day, 5/1/1, or non-programmable modes that flex to match the household. The 4-square-inch backlit display carries the same readability as the rest of the T700 line, and a glow-in-the-dark light button rounds out the after-dark usability.
Battery or hard-wire power means the T715 drops into most existing thermostat wiring without rewiring. Setup involves selecting the right staging options, so first-time installers may want to photograph the old thermostat’s wiring before starting. The honest read is that this is overkill for single-stage homes, where the PRO1 T701 earlier on the list is a calmer match.
Useful Strengths
- True 2 heat/2 cool staging for two-stage gas systems
- Three scheduling modes give room to grow into programming
- Backlit 4-square-inch display with glow-in-the-dark button
- Battery or hard-wire power for flexible install
Potential Drawbacks
- Setup takes more time than a single-stage thermostat
- More features than a non-programmable household may use
Whose Shelf It Belongs On
Owners of two-stage gas furnaces who want weekly scheduling without paying for a smart thermostat.
Reach For A Different Pick When
For a single-stage home without weekly programming needs, the PRO1 T701 keeps the wall plate clean and simple.
Some households have a heat pump, others have a conventional furnace, and a few have both depending on the addition or zone. The PRO1 T721 covers both with a 2H/1C heat-pump or 1H/1C conventional mode, which makes it a useful shelf pick for mixed-equipment homes. The 4-square-inch blue backlit display and glow-in-the-dark light button stay consistent with the T700 family, so the user experience is familiar.
Without scheduling, the T721 leans into a single setpoint-and-forget routine, which suits households that have not adopted weekly programs. AA battery or hard-wire power options keep install flexible. Compared to the PRO1 T725, this is the simpler non-programmable version of the same dual-mode concept, ideal when scheduling is not the priority.
Strong Points
- Compatible with heat pump and conventional systems
- Backlit 4-square-inch display for easy reading
- Glow-in-the-dark light button for night operation
- Battery or hard-wire power covers most installs
Things To Weigh
- No weekly scheduling built in
- Staging options are limited compared to the T715
Perfect Match For
Households with a heat pump or conventional system that want simple, reliable setpoint control without programming.
Swap It Out When
For weekly scheduling on the same dual-mode hardware, the PRO1 T725 adds the program layer you may want next.
On many engines, the thermostat lives in a housing that is also the water outlet, and replacing one without the other is a false economy. The MotoRad 14778 integrates the thermostat and the housing into a single assembly, which simplifies install and removes one potential leak path. The housing material is chosen for long service life, and the integrated design trims a step out of the repair.
For owners of vehicles where the original housing is corroded, cracked, or stripped at the thermostat seal, an assembly swap is often the cleaner fix. The trade-off is part cost, since you are paying for two components in one. Compared to the standalone MotoRad 13908 earlier, this is the all-in-one approach when the housing is part of the problem.
Real Benefits
- Integrated thermostat and housing in one part
- Removes a leak point at the housing-to-engine seal
- Durable housing material aims at long service life
- Simplifies the install by combining two replacements
Worth Bearing In Mind
- Higher part cost than a thermostat-only swap
- Verify the assembly matches your specific engine application
Built With In Mind
Owners whose thermostat housing is corroded, cracked, or otherwise compromised and ready for a full assembly replacement.
Where A Sibling Pick Shines
For a thermostat-only swap on a healthy housing, the MotoRad 13908 keeps the part count and cost down.
Reading a thermostat from across the room is a small comfort, and the PRO1 T805 brings it with a 7-square-inch backlit display, noticeably larger than the 4-square-inch screens in the T700 series. Built on the T800 platform, the T805 supports 7-day, 5/1/1, or non-programmable modes, so it can grow with a household that starts simple and adds scheduling later. The glow-in-the-dark light button carries over as a quiet usability win.
Single-stage compatibility makes it a natural fit for 1H/1C conventional systems, and the scheduling flexibility helps trim runtime during work or sleep hours. For households that want a bigger display without stepping into a smart thermostat, the T805 lands in a useful middle ground. Compared to the PRO1 T701, you get a larger screen and a program option in exchange for a slightly higher setup investment.
Everyday Advantages
- Larger 7-square-inch display reads from across the room
- Three scheduling modes cover common household routines
- Glow-in-the-dark light button for night visibility
- Single-stage compatibility fits most conventional HVAC systems
Soft Spots
- Larger footprint than the T700 series on the wall
- Programming interface is button-driven rather than touchscreen
The Right Fit
Main-floor living spaces where a larger, easy-to-read display and weekly scheduling are both wanted.
Consider Something Else When
For a smaller wall plate on a single-stage system, the PRO1 T701 keeps the install footprint compact.
Some engines run hotter than others, and a 195-degree thermostat is the right call where the factory spec calls for it, often in performance or heavy-duty applications. The MotoRad 13399 is built with stainless steel assembly components and springs, aimed at long life and smooth operation through repeated heat cycles. Each heat motor is calibrated before it leaves the line, which removes a common source of premature failure in cheaper replacements.
For owners working on vehicles that call for a higher opening temperature, the 13399 is a direct fit. The original-equipment design aims at exact replacement, so install follows the same drain-and-swap routine as the 13908 reviewed earlier. The honest read is that this is the right pick when the engine spec requires 195 degrees, and a poor pick when a lower opening temperature is the correct choice.
Reasons It Performs
- Stainless steel assembly and springs aim at long service life
- Per-unit heat motor calibration for consistent valve response
- Original-equipment design for direct fit replacement
- 195-degree rating matches higher-temp engine applications
Some Limits To Know
- Wrong opening temperature for engines calling for 180 degrees
- Coolant refill and bleed procedure still applies after install
Quick Technical Notes
Who Should Grab It
Owners of vehicles that factory-spec a 195-degree thermostat and want a long-life stainless assembly.
A Better Fit Elsewhere
For most passenger vehicles calling for a 180-degree opening, the MotoRad 13908 is the correct match instead.
Picking The Right Stant Thermostat For Your Setup
Match The Thermostat To The System Type
Engine thermostats and wall thermostats solve very different problems, so the first move is to identify which side of the catalog you need. For engine cooling work, match the opening temperature to the factory spec, since a 195-degree unit in a 180-degree engine will run hot and vice versa. For wall units, count the stages of your heating and cooling equipment, since a single-stage thermostat on a two-stage furnace will not give you the efficiency or comfort the system was designed to deliver. The PRO1 T701 covers most single-stage homes, while the T715 steps up to two-stage gas work.
Look At Setpoint Range And Scheduling
Workshops, garages, and sheds need a wider setpoint range than a living room, and the PRO1 T771 with its 25F to 90F range covers that ground without programming. Main living areas, by contrast, benefit more from a programmable schedule that trims runtime while the household is away or asleep. The T725 and T805 both offer weekly scheduling, with the T805 adding a noticeably larger display for easier reading.
Check Fitment And Power Options
For engine thermostats, fitment is everything, and the OEM-style design of the MotoRad 13908 and 13399 is what makes them bolt-in replacements rather than modifications. For wall units, confirm whether your current thermostat runs on batteries or hard-wire, since both the T700 and T800 series support either, but the wrong assumption can add a return trip. The integrated housing-and-thermostat assembly like the MotoRad 14778 is worth choosing only when the original housing is part of the problem, not just a routine part of the swap.
Key Considerations Across These Picks
Common Shopping Slip Ups
The most common error in this category is choosing by price without matching the opening temperature for an engine thermostat, which leads to overheating or poor heater output. On the wall-thermostat side, picking a multi-stage unit for a single-stage system wastes setup time, and the opposite mistake leaves a two-stage furnace under-controlled. Confirming your system type, opening temperature, and wiring before ordering avoids a return trip.
What The Higher Tier Buys
Stepping from a non-programmable wall unit to a programmable model buys weekly scheduling and a larger display in most cases, which pays off for households with predictable routines. On the engine side, the integrated thermostat-and-housing assembly costs more than a thermostat alone, but it removes a leak path and trims a step from the install. The upgrade is worth it when the housing is compromised or when the household will actually use the scheduling features, and it is worth skipping when a basic swap will do the job.
