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Rheem PROPH40 T2 RH375-SO heat pump water heater Official manufacturer product image used for editorial identification; no endorsement implied. Official image source (opens in a new tab).

Independent shopper guide · Rheem

Rheem ProTerra PROPH40 RH375-SO buying guide

A 240V Professional Prestige ProTerra with LeakGuard, automatic shutoff, EcoNet Wi-Fi, and 40-, 50-, 65-, and 80-gallon family variants. Separate Rheem 120V plug-in models exist, but the pictured professional 40-gallon model is a 240V product.

Check current prices

Shopper guide · about 8 minutes.
Editorial synthesis awaiting refresh. Each specification, price, and review source below remains governed by its own displayed source date and may still be current.

Buying guide details

Same product line, different fit

Compare size, price, room air and noise

Use first-hour rating—not tank size alone—to compare hot-water delivery. Prices are exact-size public observations before tax, shipping, installation and rebates, and can change at any time. Room-air and sound figures keep their exact source scope and qualifications.

These rows compare the 240V Professional Prestige T2 RH375-SO family. Separate Rheem plug-in products are different models.

Choose what to compareShowing the numbers shoppers use most. Every available specification remains one click away.
Exact-size advertised price, dimensions, minimum room air, noise, and performance for each offered size
Size and modelLowest advertised priceProduct dimensionsMinimum room airNoise level (dBA)Rated storageFirst-hour ratingUEFPower / circuitEmpty weight
40 galPROPH40 T2 RH375-SONarrowest ProTerra in this family. $1,529.00 Home Depot Check size-matched listing for PROPH40 T2 RH375-SO (opens in a new tab) Different retail model
Why this price?Selected model: PROPH40 T2 RH375-SO. Listing: XE40T10H45U1. Verify the exact suffix before purchase. Current public single-unit advertised price for the same-brand 40-gallon Performance Platinum retail counterpart. This is not the selected PROPH professional-channel suffix; verify model, local price, stock, and checkout total.Observed 2026-09-04; verify current price and availability.
 62 5/16 in H × 20 1/4 in diameter 700 ft³; smaller w/ ventilation/ducting
Requirement detailsUnducted rooms above 700 ft³ need no added ventilation. Below 700 ft³ use a fully louvered door or top/bottom louvers; the small-closet arrangement requires an 18 in² / 0.75-in door gap plus an exhaust-height louver and exhaust within 12 in of the door. One-duct layouts require the stated transfer opening; both inlet and outlet ducted permits any-size room with no added ventilation. No lower universal numeric volume is stated. Installation source for PROPH40 T2 RH375-SO (opens in a new tab).
 49 dBA
Sound evidencemanufacturer exact-model table; distance/mode not stated Sound source for PROPH40 T2 RH375-SO (opens in a new tab).
 36 gal 60 gal 3.75 240V
30A		 174 lb
50 galPROPH50 T2 RH375-SOSlightly shorter and wider than the 40. $1,699.00 Home Depot Check size-matched listing for PROPH50 T2 RH375-SO (opens in a new tab) Different retail model
Why this price?Selected model: PROPH50 T2 RH375-SO. Listing: XE50T10H45U1. Verify the exact suffix before purchase. Current public single-unit advertised price for the same-brand 50-gallon Performance Platinum retail counterpart. This is not the selected PROPH professional-channel suffix; verify model, local price, stock, and checkout total.Observed 2026-09-04; verify current price and availability.
 61 3/4 in H × 22 1/4 in diameter 700 ft³; smaller w/ ventilation/ducting
Requirement detailsUnducted rooms above 700 ft³ need no added ventilation. Below 700 ft³ use a fully louvered door or top/bottom louvers; the small-closet arrangement requires an 18 in² / 0.75-in door gap plus an exhaust-height louver and exhaust within 12 in of the door. One-duct layouts require the stated transfer opening; both inlet and outlet ducted permits any-size room with no added ventilation. No lower universal numeric volume is stated. Installation source for PROPH50 T2 RH375-SO (opens in a new tab).
 49 dBA
Sound evidencemanufacturer exact-model table; distance/mode not stated Sound source for PROPH50 T2 RH375-SO (opens in a new tab).
 45 gal 67 gal 3.75 240V
30A		 218 lb
65 galPROPH65 T2 RH375-SOLarger cabinet with higher first-hour delivery. $2,059.00 Home Depot Check size-matched listing for PROPH65 T2 RH375-SO (opens in a new tab) Different retail model
Why this price?Selected model: PROPH65 T2 RH375-SO. Listing: XE65T10H45U1. Verify the exact suffix before purchase. Current public single-unit advertised price for the same-brand 65-gallon Performance Platinum retail counterpart. This is not the selected PROPH professional-channel suffix; verify model, local price, stock, and checkout total.Observed 2026-09-04; verify current price and availability.
 64 3/16 in H × 24 1/4 in diameter 700 ft³; smaller w/ ventilation/ducting
Requirement detailsUnducted rooms above 700 ft³ need no added ventilation. Below 700 ft³ use a fully louvered door or top/bottom louvers; the small-closet arrangement requires an 18 in² / 0.75-in door gap plus an exhaust-height louver and exhaust within 12 in of the door. One-duct layouts require the stated transfer opening; both inlet and outlet ducted permits any-size room with no added ventilation. No lower universal numeric volume is stated. Installation source for PROPH65 T2 RH375-SO (opens in a new tab).
 49 dBA
Sound evidencemanufacturer exact-model table; distance/mode not stated Sound source for PROPH65 T2 RH375-SO (opens in a new tab).
 59 gal 75 gal 3.85 240V
30A		 262 lb
80 galPROPH80 T2 RH375-SOTallest ProTerra in this family. $2,235.29 Home Depot Check size-matched listing for PROPH80 T2 RH375-SO (opens in a new tab) Different retail model
Why this price?Selected model: PROPH80 T2 RH375-SO. Listing: XE80T10H45U1. Verify the exact suffix before purchase. Current public single-unit advertised price for the same-brand 80-gallon Performance Platinum retail counterpart. This is not the selected PROPH professional-channel suffix; verify model, local price, stock, and checkout total.Observed 2026-09-04; verify current price and availability.
 74 3/16 in H × 24 1/4 in diameter 700 ft³; smaller w/ ventilation/ducting
Requirement detailsUnducted rooms above 700 ft³ need no added ventilation. Below 700 ft³ use a fully louvered door or top/bottom louvers; the small-closet arrangement requires an 18 in² / 0.75-in door gap plus an exhaust-height louver and exhaust within 12 in of the door. One-duct layouts require the stated transfer opening; both inlet and outlet ducted permits any-size room with no added ventilation. No lower universal numeric volume is stated. Installation source for PROPH80 T2 RH375-SO (opens in a new tab).
 49 dBA
Sound evidencemanufacturer exact-model table; distance/mode not stated Sound source for PROPH80 T2 RH375-SO (opens in a new tab).
 72 gal 87 gal 4 240V
30A		 281 lb

Check the official size specification from Rheem ProTerra with LeakGuard specification sheet (opens in a new tab). Final dimensions and requirements must be confirmed against the exact model ordered.

Ownership essentials

Warranty and connected controls

Confirm coverage terms and supported controls for the exact model before purchase.

Warranty
Rheem states a 10-year limited tank and parts warranty for this exact Professional Prestige model. Written terms control labor, registration, installation, and exclusions.Official warranty terms for Rheem PROPH40 T2 RH375-SO (opens in a new tab)
Smart-home control
Built-in EcoNet Wi-Fi supports temperature adjustment, energy-use tracking, and vacation mode from a mobile device.Official controls source for Rheem PROPH40 T2 RH375-SO (opens in a new tab)

Pros

  • EcoNet controls, LeakGuard, automatic shutoff, and a 10-year limited tank/parts warranty are documented for the exact page.
  • The manufacturer line spans 40–80 gallons and also offers separate 120V plug-in products.

Cons

  • Its 49 dBA figure is louder on paper than GE Profile at 41 dBA, LG at 42–45 dBA, and A. O. Smith at 45 dBA.
  • At comparable 50-, 65-, and 80-gallon sizes, its verified first-hour ratings of 67, 75, and 87 gallons trail GE Profile's 75, 86, and 101 gallons.

Reviews you can read here

What reviewers and owners report

Each card gives you our source-specific summary on this page. Ratings and counts stay separate, and related-model or professional evidence is clearly labeled.

Coverage at a glance

The page now separates a large related retail-counterpart population, a detailed installed-owner test series, and a broader owner discussion. None is silently attributed to the exact Professional 40-gallon suffix.

Sources were checked independently on 2026-09-02. Onsite text is an original concise paraphrase, not a copied review body. Ratings and counts remain source-specific; related models and professional evaluations are explicitly labeled.

Owners praise

  • Energy savings and adequate hot water recur
  • Owners value controls and multiple operating modes

Owners flag

  • Fan noise recurs more than for quieter alternatives
  • Connectivity, sensors, boards, and service appear in negative reports

Home Depot owner reviews

Rheem ProTerra 50-gallon retail family
Rating: 4/5

Current source aggregate · 1110 source-hosted entries

The retailer shows roughly four out of five across more than one thousand entries. Praise often covers energy savings, hot-water delivery, and controls; recurring complaints include fan noise, connectivity, service, and early component failures.

Officially documented retail counterpart: The Home Depot Performance Platinum model is a retail-channel counterpart, not the exact Professional suffix. Its large syndicated review population is not attributed to the exact guide model.

Model relationship source for Rheem ProTerra 50-gallon retail family (opens in a new tab)

Joseph Holmes installed-owner test series

ProTerra installed-owner test unit
Owner reports: 1 owner reports

Identifiable owner reports

The measured owner series documents substantial efficiency and useful recovery controls, while flagging app scheduling and control limitations. It is unusually detailed but still one installation.

Related listing with explicit scope: One technically detailed owner series concerns a closely related ProTerra configuration, not the exact 40-gallon professional suffix.

Rheem ProTerra family on Reddit (opens in a new tab)

Reddit owner discussion · r/heatpumps
Owner reports: 8 owner reports

Identifiable owner reports

Discussion summary: Owner reports are mixed: many describe useful savings and sufficient hot water, while others describe loud operation, sensor or board replacements, and service friction. Installation context varies widely.

Related listing with explicit scope: The self-selected discussion spans retail and professional ProTerra sizes and does not establish exact-suffix purchase verification.

The summaries above are readable here; the verification links are optional. We paraphrase rather than republish copyrighted review bodies. Coverage is broad but cannot be literally exhaustive, and a small, incentivized, seller-hosted, family-level, professional, or community sample is not a reliability study.

Help the next homeowner

Review your exact size and model

Choose the exact capacity you own, rate it, and describe what ownership has been like. Reports stay private until a moderator approves them; approval confirms only that a report meets the publishing rules, not that its claims were independently verified.

Your rating
What worked, what did not, installation surprises, sound, recovery, controls, or service are useful. Do not include names, contact details, street addresses, order numbers, installer names, URLs, or account details.0 / 1,500 characters

The review record has no name, email, contact field, account, IP address, user agent, or browser identifier. It stores only this guide, exact size and model, rating, ownership period, report text, and moderation status. Published reports remain separate from public-source evidence.

Equipment prices, not installed quotes

Where to buy and what it costs

We check Home Depot, Lowe’s, Menards and SupplyHouse.com first. Prices exclude installation, permits, accessories, tax, shipping and rebates unless explicitly stated.

Home Depot

XE40T10H45U1

$1529.00

Current public single-unit advertised price for the same-brand 40-gallon Performance Platinum retail counterpart. This is not the selected PROPH professional-channel suffix; verify model, local price, stock, and checkout total.

Check current seller details for XE40T10H45U1 (opens in a new tab) Checked 2026-09-04 · refresh before 2026-09-05.

Home Depot

XE50T10H45U1

$1699.00

Current public single-unit advertised price for the same-brand 50-gallon Performance Platinum retail counterpart. This is not the selected PROPH professional-channel suffix; verify model, local price, stock, and checkout total.

Check current seller details for XE50T10H45U1 (opens in a new tab) Checked 2026-09-04 · refresh before 2026-09-05.

Home Depot

XE65T10H45U1

$2059.00

Current public single-unit advertised price for the same-brand 65-gallon Performance Platinum retail counterpart. This is not the selected PROPH professional-channel suffix; verify model, local price, stock, and checkout total.

Check current seller details for XE65T10H45U1 (opens in a new tab) Checked 2026-09-04 · refresh before 2026-09-05.

Home Depot

XE80T10H45U1

$2235.29

Current public single-unit advertised price for the same-brand 80-gallon Performance Platinum retail counterpart. This is not the selected PROPH professional-channel suffix; verify model, local price, stock, and checkout total.

Check current seller details for XE80T10H45U1 (opens in a new tab) Checked 2026-09-04 · refresh before 2026-09-05.

Direct, non-affiliate links. Family-variant and list prices are labeled; neither means the pictured exact model is in local stock.

Validate the product evidence

Official specifications and documents

Use these primary manufacturer documents to verify the comparison facts for the exact model.