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Rain Bird DRKCP/CPF Replacement Diaphragm for CP, CPF, DV, DVF, DAS Series Valves

Rain Bird DRKCP/CPF Replacement Diaphragm for CP, CPF, DV, DVF, DAS Series Valves

Q: What is the difference between this and rainbird part # 210746-03 9 (rpk diaph) diaphram kit?

Probably they are the same part. I bot these and they work fine. Perfect fit for a dozen Rainbird Valves I had installed ten years ago that some started leaking. I don't think Rainbird has changed their valve design or tooling. mine are the 3/4 inch inline. Be careful when installing screws to back turn them until you feel the thread drop, so the screw thread uses the original thread in the lower housing. That way you don't cut a new thread or break off the original threads in the lower housing. If the lower thread gets reamed out or damaged, you have to change out the whole valve. (Plumber work!). Also, use a real NO 2 Plillips. Kit come with new screws. I just use the old ones as they are sure to conform to the original housing base. No sense to plow new ground in old plastic

Q: How can you tell if you need a new diaphragm? Symptoms? My system is about 12 years old.

I change out a diaphragm when the valve starts to create "water hammer" when it shuts off...This is a audible "clunk" at shutdown. Otherwise it not leaking all seem to be OK. Mine are 22 years old and I have replaced these things about three times is all.

Q: My original diaphragm has a hole in it blocked by a white plastic plug and flat screen. I don't see that on the pictured replacement. Does it matter ?

I believe it is black vs. white in the picture or on the other side. These work with a wide variety of valves.

Q: Is the diaphragm kit pictured the one you get? This is the exact one I need and I do not need the white plastic plug.

Yes, you get the diaphragm pictured. You also get the spring, 5 screws and the blue solenoid filter. Thank you

Product ID: 5491842

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Details

Material
Rubber
Brand
Rain Bird
Item dimensions L x W x H
2.51 x 1.01 x
Exterior Finish
Rubber
Inlet Connection Size
1 Inches
Inlet Connection Type
Female Pipe

💧Precision water control

🔧Quick 6-screw install

🛠️Complete repair kit

Description

💧 Keep your lawn lush with the smartest water control upgrade!

DURABLE RUBBER BUILD - Premium black rubber diaphragm ensures long-lasting, leak-free performance.
EFFORTLESS DIY UPGRADE - Replace your valve diaphragm in minutes with the all-in-one kit—no plumber needed.
TRUSTED INDUSTRY LEADER - Original Rain Bird part backed by 80+ years of irrigation innovation and quality.
UNIVERSAL COMPATIBILITY - Fits Rain Bird CP, CPF, DV, DVF, and DAS series valves for seamless integration.
COMPLETE KIT CONVENIENCE - Includes diaphragm, spring, solenoid filter, and stainless steel screws for a perfect fit.

The Rain Bird DRKCP/CPF Replacement Diaphragm kit is a precision-engineered repair solution compatible with multiple Rain Bird valve series. Featuring a durable rubber diaphragm, spring, solenoid filter, and stainless steel screws, it enables quick, reliable valve restoration. Designed by the industry leader with over 80 years of irrigation expertise, this kit ensures efficient water management and easy installation for professional-grade lawn care.

Specifications

Material	Rubber
Brand	Rain Bird
Item dimensions L x W x H	2.51 x 1.01 x 2.51 inches
Exterior Finish	Rubber
Inlet Connection Size	1 Inches
Inlet Connection Type	Female Pipe Thread (FPT)
Number of Ports	2
Global Trade Identification Number	00077985604004
Manufacturer	Rain Bird
UPC	077985604004
Part Number	DRKCP/CPF
Item Weight	0.05 ounces
Product Dimensions	2.51 x 1.01 x 2.51 inches
Item model number	DRKCP/CPF
Is Discontinued By Manufacturer	Yes
Size	Fits CP, CPF, DV, DVF, DAS Series
Color	Black
Style	Replacement Diaphragm
Power Source	Water
Item Package Quantity	1
Included Components	Replacement diaphragm, spring and seat, (6) stainless-steel screws
Batteries Included?	No
Batteries Required?	No
Warranty Description	Satisfaction guarantee

Have a Question? See What Others Asked

What is the difference between this and rainbird part # 210746-03 9 (rpk diaph) diaphram kit?

How can you tell if you need a new diaphragm? Symptoms? My system is about 12 years old.

My original diaphragm has a hole in it blocked by a white plastic plug and flat screen. I don't see that on the pictured replacement. Does it matter ?

Is the diaphragm kit pictured the one you get? This is the exact one I need and I do not need the white plastic plug.

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Smooth transaction and product arrived in perfect condition.

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