Can this be used on a electric hot water heater?

In most cases, yes. The timer is rated to handle 40 amps at 240 volts and typical water heaters draw slightly less than 20 amps at that voltage. Some water heaters, however, can draw substantially more. Check the circuit breaker for your water heater to find out how much the circuit can deliver. If it is more than 40 amps, do NOT use this timer but if it is less than 40 amps, it should be fine.

Will a rain sensor work with this timer?

The timer can't work with a rain sensor.

Can this timer be used on a gas water heater?

Not for any gas water heater I'm familiar with. Unless your water heater plugs into the wall, how would aa timer control the water heater? Even for an electric water heater, the timer is only rated for 40 amps. (Yes, technically there is a way but unless you are a master electrician, it would be very unsafe).

Will this replace Intermatic R8806p101c sprinkler timer?

Yes, it will. It can be wired for either a single leg of 120 Volts or to a Poly Phase up to 277 Volts. 50-60 Hertz. It's also good for up to 40 Amps whereas the mechanical timer is good only to 30 Amps. Simple wiring instructions are included with it for your application. I installed mine of a water heater. in my shop. I also purchased their Wi-Fi version for a second water in my house.

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Pool Pump Timer, Digital Timer Box, 2HP 40A 120-277 VAC, 7-Day 20 ON/Off Programmable Timer Switch for Water Heater, Pool Pump, SPA, Motor, ETL Listed

Product ID: 345345382

Details

Battery Life
3 months
Brand
DEWENWILS
Color
White
Material
Plastic
Number of settings
20

⏰20 ON/OFF schedules

⚡40A heavy-duty power

🔋3-month backup battery

R$782

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Description

⏳ Take control of your pool’s rhythm—never miss a beat or a swim! 🏊‍♂️

WEATHERPROOF WARRIOR - Durable, UV-resistant, flame-retardant housing built to withstand -40℉ to 140℉ outdoor conditions.
EFFORTLESS INSTALLATION - Removable timer module and versatile wiring apertures make setup a breeze.
POWERHOUSE COMPATIBILITY - Handles dual 2HP motors at 120-277 VAC, perfect for pumps, heaters, and spas.
PRECISION SCHEDULING MASTERY - Program up to 20 ON/OFF cycles weekly for ultimate pool control and energy savings.
UNINTERRUPTED SETTINGS SECURITY - Built-in battery backup preserves your schedule for 3 months during outages.

The DEWENWILS Pool Pump Timer is a robust, ETL-listed digital timer designed for professional-grade pool and spa management. Featuring 20 programmable ON/OFF schedules over 7 days, a heavy-duty 40A capacity supporting dual 2HP motors, and a 3-month battery backup, it ensures reliable, energy-efficient operation. Its weather-resistant, flame-retardant housing guarantees durability in extreme outdoor conditions, while easy installation options make it ideal for savvy homeowners and pool pros alike.

Specifications

ASIN	B08Q7NKZ7M
Battery Life	3 months
Best Sellers Rank	#31,608 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Electrical Timers
Brand	DEWENWILS
Brand Name	DEWENWILS
Color	White
Customer Reviews	4.3 out of 5 stars 1,085 Reviews
Item Type Name	Pool timer
Manufacturer	Dewenwils
Manufacturer Part Number	HODT01B
Material	Plastic
Material Type	Plastic
Model Number	T40D
Number of Items	1
Number of settings	20
Unit Count	1 Count

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R$782

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Brazil.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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