AY McDonald

 
 

Inline Dual Check Valves - 11 Series

Pricing and Information is subject to change. Contact Factory to confirm current information.
A.Y. McDonald Inline Dual Check Valves protect the public water supply by preventing the reverse flow of water from the building back into the water main. The Series 11 dual check valve is available with a wide variety of end connections to connect direct

11-3AF - Inline Dual Check
Series: 11-3AF - Inline Dual Check
Series Description: Male Meter thread Integral x FNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3AF 43 5/8" x 3/4" or 3/4" Meter x 3/4" FNPT
$69.06 16 24.00
 
 
11-3AN.JPG
Series: 11-3AN - Inline Dual Check
Series Description: Male meter thread integral x female meter thread union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3AN 33 5/8" Meter x 5/8" Meter $69.06 16 27.00
11-3AN 34 5/8" Meter x 5/8"X3/4" or 3/4" Meter $69.06 16 26.00
11-3AN 44 5/8"X3/4" or 3/4' Meter x 5/8"X3/4" or 3/4" Meter $69.06 16 27.00
 
 
11-3BA.jpg
Series: 11-3BA - Inline Dual Check
Series Description: Male meter thread union x male meter thread integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3BA 44 5/8"X3/4" or 3/4" Meter x 5/8"X3/4" or 3/4" Meter $66.10 16 30.00
 
 
11-3C2.jpg
Series: 11-3C2 - Inline Dual Check
Series Description: 22 CTS Union x 22 CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3C2 33 3/4" -22 CTS Compression x 3/4" -22 CTS Compression $85.38 6 14.00
 
 
11-3CE.jpg
Series: 11-3CE - Inline Dual Check
Series Description: -22 CTS Union x FNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3CE 33 3/4" -22 CTS Compression x 3/4" FNPT $77.57 6 12.00
 
 
11-3CP.jpg
Series: 11-3CP - Inline Dual Check
Series Description: 22 CTS Union x MNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3CP 33 3/4" -22 CTS Compression x 3/4" MNPT $77.57 6 13.00
 
 
11-3F2.jpg
Series: 11-3F2 - Inline Dual Check
Series Description: FNPT Union x 22 CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3F2 33 3/4" FNPT x 3/4" -22 CTS Compression $77.57 16 29.00
 
 
11-3FE.JPG
Series: 11-3FE - Inline Dual Check
Series Description: FNPT Union x FNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3FE 11 1/2" FNPT x 1/2" FNPT $69.06 16 34.00
11-3FE 33 3/4" FNPT x 3/4" FNPT $69.06 16 27.00
 
 
11-3FP.jpg
Series: 11-3FP - Inline Dual Check
Series Description: FNPT Union x MNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3FP 33 3/4" FNPT x 3/4" MNPT $69.06 16 27.00
 
 
11-3FT.jpg
Series: 11-3FT - Inline Dual Check
Series Description: FNPT Union x T CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3FT 33 3/4" FNPT x 3/4" T CTS Compression $77.57 16 31.00
 
 
11-3FV-Inline Dual Check
Series: 11-3FV-Inline Dual Check
Series Description: FNPT Union x Q CTS Compression
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3FV 33 3/4" FNPT Union x 3/4" Q CTS Compression
$77.57 16 35.20
 
 
11-3GE.jpg
Series: 11-3GE - Inline Dual Check
Series Description: T CTS Union x FNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3GE 33 3/4" T CTS Compression x 3/4" FNPT $77.57 6 13.00
 
 
11-3GP - Inline Dual Check
Series: 11-3GP - Inline Dual Check
Series Description: T CTS Union x MNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3GP 33 3/4" T CTS Compression x 3/4" MNPT $77.57 6 13.00
 
 
11-3GT.jpg
Series: 11-3GT - Inline Dual Check
Series Description: T CTS Union x T CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3GT 33 3/4" T CTS Compression x 3/4" T CTS Compression $85.38 6 14.00
 
 
11-3HB.jpg
Series: 11-3HB - Inline Dual Check
Series Description: Meter swivel integral (with meter support) x Male meter thread union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3HB 44 5/8"X3/4" or 3/4" Meter x 5/8"X3/4" or 3/4" Meter $75.97 16 35.00
 
 
11-3JB.jpg
Series: 11-3JB - Inline Dual Check
Series Description: Meter swivel integral x Male meter thread union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3JB 44 5/8"X3/4" or 3/4" Meter x 5/8"X3/4" or 3/4" Meter $75.97 16 32.00
 
 
11-3JC.jpg
Series: 11-3JC - Inline Dual Check
Series Description: Meter swivel integral x 22 CTS Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3JC 33 5/8" Meter x 3/4" -22 CTS Compression
$88.10 6 13.00
11-3JC 43 5/8"X3/4" or 3/4" Meter x 3/4" -22 CTS Compression $88.10 6 14.00
 
 
11-3JF.JPG
Series: 11-3JF - Inline Dual Check
Series Description: Meter swivel integral x FNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3JF 33 5/8" Meter x 3/4" FNPT $75.97 16 29.00
11-3JF 43 5/8"X3/4" or 3/4" Meter x 3/4" FNPT $75.97 16 30.00
 
 
11-3JG.jpg
Series: 11-3JG - Inline Dual Check
Series Description: Meter swivel integral x T CTS Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3JG 33 5/8" Meter x 3/4" T CTS Compression $88.10 6 14.00
11-3JG 43 5/8"X3/4" or 3/4" Meter x 3/4" T CTS Compression $88.10 6 15.00
 
 
11-3JM.jpg
Series: 11-3JM - Inline Dual Check
Series Description: Meter swivel integral x MNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3JM 33 5/8" Meter x 3/4" MNPT $75.97 16 32.00
11-3JM 43 5/8"X3/4" or 3/4" Meter x 3/4" MNPT $75.97 16 33.00
 
 
11-3JQ.jpg
Series: 11-3JQ - Inline Dual Check
Series Description: Meter swivel integral x Male K Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3JQ 33 5/8" Meter x 3/4" K Thread $78.54 16 33.00
11-3JQ 43 5/8"X3/4" or 3/4" Meter x 3/4" K Thread $78.20 16 35.00
 
 
1-3JR - Inline Dual Check
Series: 1-3JR - Inline Dual Check
Series Description: Meter Swivel Nut Integral Less Saddle x Q CTS Compression Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3JR 43 5/8" Meter x 3/4" Q CTS Compression
$88.10 16 32.00
 
 
11-3JV - Inline Dual Check
Series: 11-3JV - Inline Dual Check
Series Description: Meter Swivel x Q CTS Compression
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3JV 43 5/8"X3/4" Meter x 3/4" Q CTS Compression
$88.10 6 14.70
 
 
11-3KL - Inline Dual Check
Series: 11-3KL - Inline Dual Check
Series Description: Male K Style Thread Integral x Female K Style Thread Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3KL 33 3/4" Male K Thread x 3/4" Female K Thread
$74.94 16 27.44
 
 
11-3L2.JPG
Series: 11-3L2 - Inline Dual Check
Series Description: Female K union x 22 CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3L2 33 3/4" K Thread x 3/4" -22 CTS Compression $90.54 16 24.00
 
 
11-3LE.jpg
Series: 11-3LE - Inline Dual Check
Series Description: Female K Union x FNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3LE 33 3/4" Female K Thread x 3/4" FNPT $69.06 16 27.00
 
 
11-3LK - Inline Dual Check
Series: 11-3LK - Inline Dual Check
Series Description: Female K Style Thread Union x FNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3LK 33 3/4" Female K Thread x 3/4" Male K Thread $69.06 16 24.00
 
 
11-3LT.jpg
Series: 11-3LT - Inline Dual Check
Series Description: Female K union x T CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3LT 33 3/4" K Thread x 3/4" T CTS Compression $90.54 16 30.00
 
 
11-3LV - Inline Dual Check
Series: 11-3LV - Inline Dual Check
Series Description: Female K Style Thread Union x Q CTS Compression Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3LV 33 3/4" Female K Thread x 3/4" Q CTS Compression
$90.54 16 32.00
 
 
11-3M2.jpg
Series: 11-3M2 - Inline Dual Check
Series Description: MNPT union x 22 CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3M2 33 3/4" MNPT x 3/4" -22 CTS Compression $77.57 6 21.00
 
 
11-3MA.jpg
Series: 11-3MA - Inline Dual Check
Series Description: MNPT Union x Male meter thread integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3MA 33 3/4" MNPT x 5/8" Meter $66.10 16 29.00
11-3MA 34 3/4" MNPT x 5/8"X3/4" or 3/4" Meter $66.10 16 31.00
 
 
11-3ME.jpg
Series: 11-3ME - Inline Dual Check
Series Description: MNPT Union x FNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3ME 33 3/4" MNPT x 3/4" FNPT $69.06 16 31.00
 
 
11-3MK - Inline Dual Check
Series: 11-3MK - Inline Dual Check
Series Description: MNPT Union x Male K Style Thread Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3MK 33 3/4" MNPT x 3/4" MNPT
$60.09 16 27.52
 
 
11-3MP.jpg
Series: 11-3MP - Inline Dual Check
Series Description: MNPT Union x MNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3MP 33 3/4" MNPT x 3/4" MNPT $66.10 16 28.00
 
 
11-3MT.jpg
Series: 11-3MT - Inline Dual Check
Series Description: MNPT Union x T CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3MT 33 3/4" MNPT x 3/4" CTS Compression $77.57 6 13.00
 
 
11-3MV - Inline Dual Check
Series: 11-3MV - Inline Dual Check
Series Description: MNPT Union x Q CTS Compression
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3MV 33 3/4" MNPT x 3/4" Q CTS Compression
$77.57 6 22.20
 
 
11-3N2.jpg
Series: 11-3N2 - Inline Dual Check
Series Description: Female meter thread union x 22 CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3N2 33 5/8" Meter x 3/4" -22 CTS Compression $77.57 16 25.00
11-3N2 43 5/8"X3/4" or 3/4" Meter x 3/4" -22 CTS Compression $77.57 16 31.00
 
 
11-3NA.jpg
Series: 11-3NA - Inline Dual Check
Series Description: Female meter thread union x Male meter thread integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3NA 33 5/8" Meter x 5/8" Meter $69.06 16 26.00
11-3NA 43 5/8"X3/4" or 3/4" Meter x 5/8" Meter $69.06 16 25.00
11-3NA 44 5/8"X3/4" or 3/4" Meter x 5/8"X3/4" or 3/4" Meter $69.06 16 26.00
 
 
11-3NE.jpg
Series: 11-3NE - Inline Dual Check
Series Description: Female meter thread union x FNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3NE 33 5/8" Meter x 3/4" FNPT $69.06 16 27.00
11-3NE 43 5/8"X3/4" or 3/4" Meter x 3/4" FNPT $69.06 16 26.00
 
 
11-3NP.jpg
Series: 11-3NP - Inline Dual Check
Series Description: Female meter thread union x MNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3NP 33 5/8" Meter x 3/4" MNPT $69.06 16 27.00
11-3NP 43 5/8"X3/4" or 3/4" Meter x 3/4" MNPT $69.06 16 24.00
 
 
11-3NT.jpg
Series: 11-3NT - Inline Dual Check
Series Description: Female meter thread union x T CTS Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3NT 33 5/8" Meter x 3/4" T CTS Compression
$77.57 16 30.00
11-3NT 43 5/8"X3/4" or 3/4" Meter x 3/4" T CTS Compression $77.57 16 29.00
 
 
11-3NV - Inline Dual Check
Series: 11-3NV - Inline Dual Check
Series Description: Female Meter Thread Union x T CTS Compression
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3NV 33 5/8" Meter x 3/4" Q CTS Compression
$77.57 16 27.20
 
 
11-3PF.jpg
Series: 11-3PF - Inline Dual Check
Series Description: MNPT Integral x FNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3PF 33 3/4" MNPT x 3/4" FNPT $69.06 16 27.00
 
 
11-3PN - Inline Dual Check
Series: 11-3PN - Inline Dual Check
Series Description: MNPT Integral x Female Meter Thread Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3PN 34 3/4" MNPT x 5/8"X3/4" or 3/4" Meter $65.78 16 24.00
 
 
11-3QK - Inline Dual Check
Series: 11-3QK - Inline Dual Check
Series Description: Male K Style Thread Union x Male K Style Thread Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3QK 33 3/4" Male K Thread x 3/4" Male K Thread
$66.10 16 31.71
 
 
11-3RV - Inline Dual Check
Series: 11-3RV - Inline Dual Check
Series Description: FNPT x FNPT
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3RV 33 3/4" FNPT x 3/4" FNPT
$70.52 6 15.00
 
 
11-3YC.jpg
Series: 11-3YC - Inline Dual Check
Series Description: Iron yoke star nut x 22 CTS Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3YC 23 5/8" Meter x 3/4" -22 CTS Compression $84.73 6 13.00
11-3YC 33 5/8"X3/4" or 3/4" Meter x 3/4" -22 CTS Compression $84.73 6 13.00
 
 
11-3YF.JPG
Series: 11-3YF - Inline Dual Check
Series Description: Iron yoke star nut x FNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3YF 23 5/8" Meter x 3/4" FNPT $81.32 16 30.00
11-3YF 33 5/8"X3/4" or 3/4" Meter x 3/4" FNPT $81.32 16 27.00
 
 
11-3YG.jpg
Series: 11-3YG - Inline Dual Check
Series Description: Iron yoke star nut x T CTS Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3YG 23 5/8" Meter x 3/4" T CTS Compression $84.73 6 12.00
11-3YG 33 5/8"X3/4" or 3/4" Meter x 3/4" T CTS Compression $84.73 6 14.00
 
 
11-3YM.jpg
Series: 11-3YM - Inline Dual Check
Series Description: Iron yoke star nut x MNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-3YM 23 5/8" Meter x 3/4" MNPT $81.32 16 29.00
11-3YM 33 5/8"X3/4" or 3/4" Meter x 3/4" MNPT $81.32 16 31.00
 
 
11-4EM - Inline Dual Check
Series: 11-4EM - Inline Dual Check
Series Description: FNPT Integral, MNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4EM 44 1" FNPT x 1" MNPT $132.99 12 30.00
 
 
11-4FE.jpg
Series: 11-4FE - Inline Dual Check
Series Description: FNPT Union x FNPT Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4FE 44 1" FNPT x 1" FNPT $132.99 18 51.00
 
 
11-4HB - Inline Dual Check
Series: 11-4HB - Inline Dual Check
Series Description: Meter Swivel Integral with Saddle Nut X Male Meter Thread Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4HB 55 1" Meter x 1" Meter $141.67 12 37.00
 
 
11-4JB - Inline Dual Check
Series: 11-4JB - Inline Dual Check
Series Description: Meter Swivel Integral X Male Meter Thread Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4JB 55 1" Meter x 1" Meter $141.67 12 36.00
 
 
11-4JF - Inline Dual Check
Series: 11-4JF - Inline Dual Check
Series Description: Meter Swivel Integral X FNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4JF 54 1" Meter x 1" FNPT $141.67 12 36.00
 
 
11-4JM - Inline Dual Check
Series: 11-4JM - Inline Dual Check
Series Description: Meter Swivel Integral X MNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4JM 54 1" Meter x 1" MNPT $141.67 12 40.00
 
 
11-4ME - Inline Dual Check
Series: 11-4ME - Inline Dual Check
Series Description: MNPT Union X FNPT
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4ME 44 1" MNPT x 1" FNPT $132.99 12 35.00
 
 
11-4MJ - Inline Dual Check
Series: 11-4MJ - Inline Dual Check
Series Description: MNPT Union x Meter Swivel Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4MJ 45 1" MNPT x 1" Meter $141.67 12 37.00
 
 
11-4YF  - Inline Dual Check
Series: 11-4YF - Inline Dual Check
Series Description: Iron Yoke W/Nut X FNPT Union
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-4YF 44 1" Meter x 1" FNPT $146.61 12 38.00
 
 
11E3LK - Inline Dual Check
Series: 11E3LK - Inline Dual Check
Series Description: Female K Union X Male K Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11E3LK 33 3/4" Female K Thread x 3/4" Male K Thread $69.06 16 25.00
 
 
11-32K - Inline Dual Check
Series: 11-32K - Inline Dual Check
Series Description: -22 CTS Compression Integral x Male K Style Thread Integral
Model No. and Size Product Description List Price (each) Units Per Carton Carton WT-lbs
11-32K 23 3/4" -22 CTS Compression x 3/4" Male K Thread
$66.99 16 32.00