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WayneESP25 Upgraded 12-Volt Battery Backup System, Black

Q: Is it ok to connect to the primary pumps PVC before the check valve, eliminating the need for 2 check valves?

No, you need a check valve for each pump. This happened to my sump pump installation: Over time, the flapper (acts like the valve) in the check valve deformed a little, detached from its hinge point(s), and ended up in the FRONT part of the body. This meant that when water was being pumped out of the sump, the water forced the flapper into the check valve opening... BLOCKING the flow! The check valve ended up working backwards, basically. With the water unable to flow, after enough time, the sump pump burned itself out. If two pumps are feeding through just one check valve, the same thing could happen to both pumps. Each pump needs its own check valve. It's OK for the discharge lines to merge afterwards. BTW: If you really depend of a reliable sump pump installation, spend the extra $30-$50 bucks and get a couple of industrial-strength check valves (regardless if you have a single or double-pump system). They will be "out of sight and out of mind" parts of your installation; you need to KNOW that they'll last!

Q: What size pvc pipe goes into the single fitting at the top of the unit,and what method are you using to attach it? Thanks

I glued a three-foot section of 1-1/2" PVD pipe to the wye-fitting at the top of the pump assemble. At the top of the three-foot section I used an 1-1/2" Fernco rubber coupler with stainless steel clamps to connect it to the drain line. You're going to love this pump. It's the quietest pump I've ever heard.

Q: Can anyone please recommend a battery to purchase for this unit?

I installed a VMAX 127 deep cell battery. It provides between 36-48 hours of pumping capacity. Cost ~$300. I recommend you don't go cheap on the battery.

Q: does this pump come with a battery

The pump does not come with a battery.

4.2/5

Product ID: 741604810

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Details

Brand
Wayne
Color
Black
Material
Cast Iron
Style
ESP25 battery
Product Dimensions
17"L x 10.5"W
Power Source
Air Powered

Frequently Bought Together

Wayne ESP25 Upgraded 12-Volt Battery Backup System, Black

Wayne WSB1275 75Ah Maintenance-Free Battery Recommended for Wayne ESP25, Wayne WSS30VN and Wayne Basement Guardian

Wayne 58321-WYN3 CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch, Large, Silver

Description

WayneESP25 Upgraded 12-Volt Battery Backup System, Black

Specifications

Brand	Wayne
Color	Black
Material	Cast Iron
Style	ESP25 battery backup system (upgraded version)
Product Dimensions	17"L x 10.5"W x 14"H
Power Source	Air Powered
Item Weight	13.5 Pounds
Maximum Flow Rate	45 Gallons Per Minute
Maximum Lifting Height	10 Feet
Voltage	12 Volts
Global Trade Identification Number	00040066218483
Manufacturer	WAYNE
UPC	040066218483
Part Number	58368-WYN1
Item Weight	13.5 pounds
Country of Origin	USA
Item model number	ESP25
Size	Black
Pattern	Pump
Item Package Quantity	1
Included Components	Back up pump, battery box, reed float switch
Batteries Included?	No
Batteries Required?	No
Warranty Description	2 year manufacturer

Have a Question? See What Others Asked

Is it ok to connect to the primary pumps PVC before the check valve, eliminating the need for 2 check valves?

What size pvc pipe goes into the single fitting at the top of the unit,and what method are you using to attach it? Thanks

Can anyone please recommend a battery to purchase for this unit?

does this pump come with a battery

Common Questions

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TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Fantastic and great service. Shipping was faster than expected.

1 week ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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