{"product_id":"intermatic-wh40-electric-water-heater-timer-easy-savings-and-durable","title":"Intermatic WH40 Electric Water Heater Timer - Easy Savings and Durable","description":"\u003cp\u003eIn this review of the Intermatic WH40 Electric Water Heater Timer, the bottom line is clear: this is a straightforward, durable timer for homeowners who want to cut water heating costs without complicated programming. The reviewer found it particularly well suited for scheduled morning and evening use, where the device can be set to run one hour in the morning and two hours in the evening to maximize savings. The unit is simple to install, offers a convenient external override switch, and its steel case feels built to last.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel case:\u003c\/strong\u003e Provides a rugged enclosure that resists everyday bumps and holds up in utility locations, giving long term durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10,000 watt capacity:\u003c\/strong\u003e Handles heavy loads up to 10,000 watts so it works with most large electric water heaters without stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 amp, 250 volt rating:\u003c\/strong\u003e Matches common electric water heater circuits, making it compatible with standard installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple trippers:\u003c\/strong\u003e Trippers can be set from 1 to 23 hours and are easy to arrange for routine morning and evening hot water needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal override switch:\u003c\/strong\u003e Lets the user temporarily bypass the schedule without opening the cover, adding convenient manual control when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e UL and CSA approvals for Canada and the US indicate it meets recognized safety standards for household electrical equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis timer is best for homeowners or renters with electric water heaters who want a no-frills device to reduce electricity use and lower utility bills. It suits people who are comfortable with a basic mechanical timer and who plan predictable hot water use patterns, such as a set morning shower and evening dishwashing or laundry routine.\u003c\/p\u003e\u003cp\u003eIt is not ideal for users who need sub-hour precision, programmable weekday\/weekend differences, or smartphone control. If you need advanced scheduling features or remote access, a digital or Wi-Fi enabled controller would be a better choice.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEasy installation and straightforward mechanical controls make setup quick for most DIYers.\u003c\/li\u003e\n\u003cli\u003eConcrete energy savings when used with the recommended 1 hour morning and 2 hour evening schedule.\u003c\/li\u003e\n\u003cli\u003eRobust steel case and industry approvals add reliability and safety confidence.\u003c\/li\u003e\n\u003cli\u003eExternal override switch lets you temporarily run the heater outside the schedule without fuss.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMechanical trippers limit precision to 1 hour increments, so it lacks finer scheduling control.\u003c\/li\u003e\n\u003cli\u003eSome users report variability in long-term reliability, so occasional unit replacement may occur.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Capacity\u003c\/td\u003e\n\u003ctd\u003e10,000 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e40 amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e250 volts, 60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum On\/Off Time\u003c\/td\u003e\n\u003ctd\u003e1 hour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5-1\/8 in width x 3-7\/16 in depth x 7-7\/8 in height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL and CSA (Canada and US)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Intermatic WH40 is a practical, cost-effective choice for anyone who wants to reduce water heater energy use without complex electronics. Its sturdy steel case, high wattage and amp ratings, and easy mechanical trippers make it a solid value for predictable daily schedules. Choose this timer if you want simple savings and durable construction; look elsewhere if you need sub-hour control or smart connectivity.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this timer work with a 240V electric water heater?\u003c\/strong\u003e\u003cbr\u003eYes, it is rated for 250 volts and 40 amps, which matches common 240V electric water heater circuits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I temporarily turn the heater on outside the schedule?\u003c\/strong\u003e\u003cbr\u003eYes, the built-in external override switch allows temporary manual operation without changing the trippers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow precise is the scheduling?\u003c\/strong\u003e\u003cbr\u003eTrippers are adjustable from 1 to 23 hours with a minimum 1 hour on or off interval, so it does not provide sub-hour precision.\u003c\/p\u003e","brand":"Intermatic","offers":[{"title":"Default Title","offer_id":46751272894683,"sku":"B00004W4XI","price":81.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/815YWicaYxL._AC_SL1500.jpg?v=1747587170","url":"https:\/\/gearmusthave.com\/products\/intermatic-wh40-electric-water-heater-timer-easy-savings-and-durable","provider":"GearMustHave","version":"1.0","type":"link"}