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Simplified Total Dynamic Head (TDH) Calculation Worksheet

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ANSI/APSP-7, 2006 Specifies three methods for determining the maximum system flow rate. The following simplified TDH calculation is one of the methods specified. Simplified Total Dynamic Head (TDH) Calculation Worksheet KKVIKWKD ¥0R CODE COMPLIANCE FILE COPY Minimum Flow Rate Required: 35gpm persldmmer [required: 1 skimmer per 800 sq ft of surf, area] Determine Maximum System Flow Rate 1. Calculate Pool Volume 180 3.5 ,X 7.48 [gal./cubic foot] = _ 4712 (Volume in Gallons) 2. Determine preferred Turnover Time in Hours: ^ X 60 [min / hour] = 480 4712 (Hours) / 480 = 9.82 48.0 (Turnover In min) = 57.82 3. Determine Max Flow Rate (Volume in Gallons) (Turnover in Min) (Pool Flow Rate] (System Flow Rate) 4. Spa lets: 6 X "*5 GPM per jet = __?? flow rate (Noofjets) QetFlow) (Total Jet Flow Rate) (For Single Pump pool/spa combo, use the higher of No. 3 or No. 4 In the following calculations for the pool & Spa) Determine Pipe Sizes; Branch Piping to be ^ inch to keep velocity @ 6 fps max. at 136 gpm Maximum System Flow Rale 21/2" HT Suction Piping to be inch to keep velocity @ 8 fps max. at ' '' gpm Maximum System Flow Rate Return Piping to be inch to keep velocity @ 10 fps max. at 103 gpm Maximum System Flow Rale Determine Simplified TDH: 1. Distance from pool, to pump in Ft: 27' 2. Friction loss (in suction pipe) in ^ 1^^ inch pipe per 1 I. @ gpm = _^?_(from pipe flow/friction loss chart) 3. Friction loss (In return pipe) in inch pipe per 1 l. @ gpm= ffrom pipe flow/friction loss chart) 2.16 27' X .08 (Lcngdi of Sucilon Pipe) 27' {Ft of hcad/1 ft of Pipe) X .16 (txnglh of Suction Pipe) (Fiofhead/I ftofPipe) Flow and Friction Loss Per Foot (Schedule 40 pvc Pipe) (TDH Suction Pipe) 4.32 (TDH Suction Pipe) TDH in Piping. 6.48 Volocliv r«Bt Per Setond PImSUs 6FPS 8FPS 10 FPS 1.5- 37aom DOS' SO tpm .14' 62 gsim Jl' 2* SjRRm 006' 82 Rpin .10* 103 ppm .16' 2J" BSgpm OOS' 117 BPm .08' 14BBnm .13' 3* 136 ipm OiM' 181 ram .07' 227ipm .10' Filter loss In TDH [from filter data sheet) 2.80 Heater loss In TDH [from heater data sheet] 35.0 Total all other loss^ Selected Pump and Main Drain Cover: Pump selection Hayward TrI-Star 2HP 2Spd (Pump model and size in HP) Main Drain Cover^ WGX1048E (Pump model and size in HP] Notes: Minimum system flow based on minimunj flow per skimmer of 35 gpm. Determine the Number and Type of Required In-floor Suction Outlets; [Check all that apply] Total Dynamic Head fTDHl 44.28 using pump curve for TDH & System Flow Rate [System Flow Rate must not exceed approved cover flow rates] © ^ 3' -^ © suction outlets (5) opm max. Kl © © © WGX1048E suction outlets (3) 125 apm max. ni 1 channel drain (5) opm w/ .ports (see note 4)
Transcript
Page 1: Simplified Total Dynamic Head (TDH) Calculation Worksheet

ANSI/APSP-7, 2006 Specifies three methods for determining the maximum system flow rate. Thefollowing simplified TDH calculation is one of the methods specified.

Simplified Total Dynamic Head (TDH) Calculation WorksheetKKVIKWKD ¥0R

CODE COMPLIANCE

FILE COPYMinimum Flow Rate Required: 35gpm persldmmer [required: 1 skimmer per 800 sq ft of surf, area]

Determine Maximum System Flow Rate

1. Calculate Pool Volume 180 3.5 ,X 7.48 [gal./cubic foot] =_ 4712

(Volume in Gallons)

2. Determine preferred Turnover Time in Hours: ^ X 60 [min / hour] = 480

4712(Hours)

/ 480 = 9.82 48.0(Turnover In min)

= 57.823. Determine Max Flow Rate(Volume in Gallons) (Turnover in Min) (Pool Flow Rate] (System Flow Rate)

4. Spa lets: 6 X "*5 GPM per jet = __?? flow rate(Noofjets) QetFlow) (Total Jet Flow Rate)

(For Single Pump pool/spa combo, use the higher of No. 3 or No. 4 In the following calculations for the pool & Spa)

Determine Pipe Sizes;

Branch Piping to be ^ inch to keep velocity @ 6 fps max. at 136 gpm Maximum System Flow Rale21/2" HTSuction Piping to be inch to keep velocity @ 8 fps max. at ''' gpm Maximum System Flow Rate

Return Piping to be inch to keep velocity @ 10 fps max. at 103 gpm Maximum System Flow Rale

Determine Simplified TDH:

1. Distance from pool, to pump in Ft: 27'

2. Friction loss (in suction pipe) in ^ 1^^ inch pipe per 1 I. @ gpm = _^?_(from pipe flow/friction loss chart)3. Friction loss (In return pipe) in inch pipe per 1 l. @ gpm= ffrom pipe flow/friction loss chart)

2.1627' X .08(Lcngdi of Sucilon Pipe)

27'

{Ft of hcad/1 ft of Pipe)

X .16(txnglh of Suction Pipe) (Fiofhead/I ftofPipe)

Flow and Friction Loss Per Foot

(Schedule 40 pvc Pipe)

(TDH Suction Pipe)

4.32

(TDH Suction Pipe)

TDH in Piping.6.48

Volocliv • r«Bt Per Setond

PImSUs 6FPS 8FPS 10 FPS

1.5- 37aom DOS' SO tpm .14' 62 gsim Jl'

2* SjRRm 006' 82 Rpin .10* 103 ppm .16'

2J" BSgpm OOS' 117 BPm .08' 14BBnm .13'

3* 136 ipm OiM' 181 ram .07' 227ipm .10'

Filter loss In TDH [from filter data sheet) 2.80Heater loss In TDH [from heater data sheet] 35.0

Total all other loss^

Selected Pump and Main Drain Cover:

Pump selection Hayward TrI-Star 2HP 2Spd(Pump model and size in HP)

Main Drain Cover^ WGX1048E(Pump model and size in HP]

Notes: Minimum system flow based on minimunj flow per skimmer of 35 gpm.

Determine the Number and Type of Required In-floor Suction Outlets;[Check all that apply]

Total Dynamic Head fTDHl 44.28

using pump curve for TDH & System Flow Rate

[System Flow Rate must not exceed approved cover flow rates]

□ © ^ 3' -^ © suction outlets (5) opm max.

Kl © © © WGX1048E suction outlets (3) 125 apm max.

ni 1 channel drain (5) opm w/ .ports (see note 4)

Page 2: Simplified Total Dynamic Head (TDH) Calculation Worksheet

TDH Calculation Options

(For each Pump)

Check one

IS Simplified Total Dynamic Head (STDH)Complete STDH Worksheet - Fill In all blanks

□ Total Dynamic Head (TDH)Complete Program or other calcs. Fill Inrequired blanks on worksheet & attachcalculations

n Maximum Flow Capacityof the new or replacement pump

Notes:1. If a variable speed pump is used, use the max

pump low in calculations2. For side wall drains, use appropriate side wall

drain flow as published by manufacturer3. Insert manufacturer's name and approved

maximum flow4. See installation instructions for number of

ports to be used5. In-Floor suction outlet cover/grate must

conform to most recent edition of ASME/ANSlA112.19.8 and be embossed with that editionapproval

6. Pump, Filter and Heater make and modelcannot change, and equipment location cannotbe move closer the pool without submitting arevised plan and TDH calculation worksheet foraooroval

Velocity • Feet Per SecondPipe Size 6 FPS 8 FPS 10 FPS

1.5" 37 gpm 0.08' 50 gpm .14' 62 gpm ,21'2" 62 gpm 0.06' 82 gpm .10" 103 gpm .16'

IS' 88 gpm 0.05' 117 gpm .08' 148 gpm .13'3" 136 gpm 0.04' 181gpm .07' 227 gpm .10'A' 234 gpm 0.03' 313 gpm .05' 392gpm .07'

6" 534 gpm 0.02' 712 gpm .03'

JI^5/2020

Contraaors Signature

EDWARD lANNARELLI

Print Name

CPC056658

Certiflcation Number

386.677.3148

Telephone Number

ANSI/APSP/ICC WorksheetSwimming Pool Energy Efficiency Compliance Information

Note: These Requirements Apply ONLY to the Filtration Pump

Maximum Filtration Flow Rate Calcutlations

Pool Water Voume -f 360 = gpm = filtration flow rate

Is there an Auxiliary load on the filtration pump? Yes NO ^If so, what is the auxiliary flow rate gpm

Maximum Flow Rate gpm (maximum auxiliary pool loads or

the filtration flow rate, whichever is greater.

The pool filtration fiow rate shall not be greater than the rate needed

to turn over the pool water volume in 6 hours or 36 gpm whichever is

greater. This means that for pools of less than 13000 gallons, the

pump shall be sized to have a fiow rate of 36 gpm or less.2 1/2"Suction Pipe size @ 6 fps ^ inch

2" inchReturn Pipe size @ 8 FPS

Filter Factors: (Cartridge 375) or (D.E 2) or (Sand 15)36 ^ .375 _ 96

(flow rate) (Alter factor) (minimum Alter size)

Filter Make/Size HAYWARD C200SBackwash valve? Yes No ^ (if yes, must be 2 inch min)Pump Selection from APSP database on Curve A (less than 17000

gallons) or C (greater than 17000 gallons) (circle one)

Model HAYWARD TRI-STAR2HP2SPDRow Rate (low speed) 35 gpm @ 1725 rpmRow Rate (high speed) 69 gpm @34^ ^„ot required

if no auxiliary load on Altration pump

Pump Controlsy

Standard time clock / 2 speed time clock or otiicr

Heater Model HAYWARD HEAT PRONotes: suction piping in front of pump inlet must be 4 pipe diameters

in length. Must have 18" of straight pipe after the Alter for solar.

Swimming Pool Specifications for:Owner: ROB'N & GARY ADLERAddress 786 JOLLYMON WAYCity, State, Zip DAYTONA BEACH. FL 32124

Page 3: Simplified Total Dynamic Head (TDH) Calculation Worksheet

Total Head In Feet Conversion ChartInches Mercury (Vacuum Gauge)

0 2 4 6 8 10 12 14 16 18

0 0 2.3 4.5 6.8 9 11.3 13.6 15.8 18.1 20.3

1 2.3 4.6 5.8 9.1 11.4 13.6 15.9 18.1 20.4 22.7

2 4.6 6.9 6.1 11.4 13.7 15.9 18.2 20.4 22.7 25

3 6.6 9.2 11.5 13.7 16 18.2 20.5 22.8 25 27.3

4 9.2 11.5 13.8 16 18.3 20.5 22.8 25.1 27.3 29.6

6 11.5 13.8 16.1 18.3 20.6 22.8 25.1 27.4 29.6 31.9

6 13.9 16.1 18.4 20.6 22.9 25.2 27.4 29.7 31.9 34.2

7 16.2 18.4 20.7 23 25.2 27.5 29.7 32 34.3 35.5

8 18.5 20.7 23 25.3 27.5 29.8 32 34.4 36.6 38.8

9 20.6 23.1 25.3 27.6 26.8 32.1 34.3 36.6 38.9 41.1

10 23.1 25.4 27.6 29.9 32.1 34.4 36.7 38.9 41.2 43.4

11 25.4 27.7 29.9 32.2 34.5 36.7 39 41.2 43.5 45.8

12 27.7 30 32.2 34.5 36.8 39 41.3 43.5 45.8 48.1

13 30 32.3 34.5 36.8 39.1 41.3 43.6 45.9 48.1 50.4

14 32.3 34.6 36.9 39.1 41.4 43.6 45.9 48.2 50.4 52.7

15 34.6 38.9 39.2 41.4 43.7 45.9 48.2 50.5 52.7 55

16 37 39.2 41.5 43.7 46 48.3 50.5 52.8 55 57.3

17 39.3 41.5 43.8 46.1 48.3 50.6 52.8 55.1 57.4 59.6

18 41.6 43.8 46.1 48.4 50.6 52.9 55.1 57.4 59.7 61.9

19 43.9 46.2 48.4 50.7 52.9 55.2 57.4 59.7 62 64.2

20 46.2 48.5 50.7 53 55.2 57.5 59.8 62 64.3 66.5

21 48.5 50.8 53 55.3 57.6 59.8 62.1 64.3 66.6 58.9

22 50.8 53.1 55.3 57.6 59.9 62.1 64.4 66.6 68.9 71.2

23 53.1 55.4 57.7 59.9 62.2 64.4 66.7 69 71.2 73.5

24 55.4 57.7 60 62.5 64.5 66.7 69 71.3 73.5 75.8

25 57.8 60 62.3 64.5 66.8 69.1 71.3 73.6 75.8 78

26 60.1 62.3 64.6 66.8 69.1 71.4 73.6 75.9 78.1 80.4

27 62.4 64.6 66.9 69.2 71.4 73.7 75.9 78.2 90.5 82.7

28 64.7 66.9 69.2 71.5 73.7 76 78.2 80.5 82.8 85

29 67 69.3 71.5 73.8 76 78.3 80.5 82.8 85.1 87.3

30 69.3 71.6 73.8 76.1 78.3 80.6 82.9 85.1 87.4 89.6

31 71.6 73.9 76.1 78.4 80.7 82.9 85.2 87.4 89.7 92

32 73.9 76.2 78.4 80.7 83.1 85.2 87.5 89.7 92 94.3

33 76.2 78.5 80.7 63 85.3 87.5 89.8 92 94.3 96.6

34 78.5 80.8 83.1 85.3 87.6 89.8 92.1 94.4 96.6 98.9

35 80.9 83.1 85.4 87.6 89.9 92.2 94.4 96.7 98.9 101.2

* NOTE: FIELD TDH MUST BE EQUAL TO OR HIGHER

THAN THE CALCULATED TDH.

GAGES TO BE iSJSTALLED AT THE TIME OF FINALINSPECTION FOR VERIFICATION.

Page 4: Simplified Total Dynamic Head (TDH) Calculation Worksheet

mi

No-'iLLv —

ensures e-^^ydebnsremoval. E:,ira leaf-holdingcapacity ba- ket extends

time between cleanings,

iri-l- .:k C3!"i, cnci

ram;j strainer cover

seals with less than

a V4 turn

Cyisicii Ca'c'j' Sii'iiiiit' ^. ei

lets you see when the basketneeds cleaning

2"x?1/2" cpvr-

union connections

makes installation

and servicing fastand easy

Heavy-duty, hig'ipsdorniance nit'tor

with dynamic airflowdelivers cooler operation

Service-ease design:power-end assembly (motor/impeller/dlffuser) can beremoved without disturbingplumbing or mountingconnections, simply by

removing six bolts

Additional TriStar Features & Benefits

• Advanced fluid dynamic design delivers superiorflow, energy efficiency and value

«• Higher flow rates allow for stepping down inpump horsepower for even less cost andenergy consumption.

• Pressure testable to 50 PS! maximum.

• Self-priming (suction lift up to 10' abovewater level)

TfilSlAKZ SPtfcD

®-70%SAVINGS

OIVYOUR ENERGY COSTS

TiiStar Pumps are listed by:

® (S) @

MAX RATE . 1.I'lOOELS 1

TOTAL

HP

MAX RATE

HP

SERVICE :

FACTORVOLTAGE 1

1

1

1PIPES12E :

OIMEHSION

"AS.

^3205X7 0.94 0.75 1.25 115/230 2x2)4' 13'V

SP3207X10 1.25 1 1.25 115/230 2x2>4' 13 V

SP3210X15 1.65 1.5 1.10 115/230 2x214' 13 V

SP3215X20 2.20 2 1,10 115/230 2x2)4' 15 V

SP3220X25 2.60 2.5 1.04 230 2x2)4' 14 V

SP3225X30 3.45 3 1.15 230 2x2)4* 15 V

. "•OUAL-SP^ jMAX RATE MITELS j

TOTAL

Tip

MAX RATE. J

HP

>«ERV1C^' f'FACTOR 1. ■■ ■ 1

. --1VOLTAGE- 1 PIPE SIZE i

r^3210X152 1-85 1.5 1.73 230 2x214' 14 V

SP3215X202 2.40 2 1.20 230 2x2)4' 14 V

SP3220X252 2-70 2.5 1,08 230 2*214' 14 V

Ti iSini Tstai ir!Ifltci E'dn'•.:tU FlOV' VS. Total Head

SP122IU2U Om SmM]

imszr

BOi) loao tzao Koo I60.0 laao 2oa6

Flow (gpm)

m

To take a closer look al TriSlar Pumps or other Hayward products, go towww.haywardpool.com or call 1 -888-HAYWARD

0 HAYWARDl):\:

Page 5: Simplified Total Dynamic Head (TDH) Calculation Worksheet

HAYWARD POOL PRODUCTS

PRODUCT: TRISTAR STANDARD EFFICIENT PUMP

ISSUED: 03/26/09

100

70

SP3205X7

SP3225X30

30

SP3220X25

SP3215X20

SP3220X252 (LowSpd)

20 ■

SP32iOX1S

8P3210X152 (Low Spd)

SP3207X10

15X202 (LowSpd)

SP3

0 10

20

30

40

50

60

70

80

90

100

110

120

130

l**0

160

170

180

190

200

^ Flow(GPM)

Page 6: Simplified Total Dynamic Head (TDH) Calculation Worksheet

.mf- SwimClearCARTRIDGE FILTER

-

1

The industry's most efficientfilter. Clearly.SwimClear single element filters are simply

the most efficient single element cartridge

filters ever produced. They capture more dirt

for superior water clarity without the need

of supplemental media while the industry's

lowest head loss can increase energy savings.

SwimClear is also the easiest to service: the

Easy-Lok'" ring design, ergonomic grip handles,

and lowest lift height provide fast cleaning and

element replacement. For energy savings,

reliable performance and cleaner, purer water,

the choice is crystal clear: SwimClear.

-f..:

Total System: Pumps I fillers 1 Heating I Cleaners 1 Sanltizatlon 1 Automation 1 Lighting I White Goods

Page 7: Simplified Total Dynamic Head (TDH) Calculation Worksheet

The efficiency you need, the convenience you deserve.

SwimClear'" Cartridge Filters features and benefits:

Superior efficiency - Captures more clirl for superior water clarity

without the need of any supplemental media,

increased energy savings - Greater efficiency allows pump to run

at lower speeds or less time, reducing energy needs and passing

cost savings on to you.

Ease of service - Quick access to internal components for

simple maintenance.

Ease of installation - Offers perfect alignment with Hayward®

variable-speed pumps for the ultimate in energy efficiency.

• Ergonomic grip handles - Provides easy installation and

maintenance and ensures no contact with fiberglass-based

surfaces.

• Lowest body height - Makes for convenient, fast cleaning

and replacement.

• Recessed pressure gauge and manual air relief - Delivers head

assembly convenience and head seal contamination protection.

• 2" X 2,5" Union Connections makes installation and servicing

fast and easy.

Easy to cleancartridge elementsSPECIFICATIONS - SWIMCLEAR CARTRIDGE FILTERS

Cartridge Element: 100 ft? 150 ft? 200 ft^(9,29 m? 13,94 m? 18,58 mh

FILTER TYPE

Higti-Strength, Injectlon-Molded duratiie glassreinforced cawiymer

fLmrm

FILTER ELEMENT Reinforced Polyester

DIMENSIONS

C1 DOS; 301^" H X18 % W" (775 mm x 464 mm*

C15GS: 33%" H x 18 % W* (857 mm x 464 mm*

C200S: 38%" H x 18 % W"* (984 mm x 464 mm*

NCFB:'B3seaonixkiinit—tm)jnalDaseis t3'(330mm)

PERFORMANCE DATA

MODELNUMBER

EFFECTIVEflIJRATKWMSA

DESIGN FLOW RATE'

"Denmined bfpump si/e and system nrtliaii'ics:2'i^ng is recommenoea for /fciv rates iH 90 6PMI341 U>U)PiiOiiC Design Flew rates oased on 0.375 fiflwr (15.26 UWrrf)

GPM LPM 8 firs. lOhrs, 6 firs. lOhrs.

RESIDENTIAL

100 379 48,000 60,000 182 227

120 455 57,600 72,000 218 273

120 155 57,600 72,000 218 273

PUBLIC

38 142 18,240 22,800 68 85

56 213 26,880 33,600 102 128

75 284 36,000 45,000 136 170

SwimCieat Filiers are iisied Dy,

Hsykvatd anti Hayward £< xiigy Sdullcns aia regl.nefcn iradeniarks andEasY-rok and SwImCiear is a iraOainafK of Haywaid liKliiSfles, irx:ih 201'' Hayward Imiiist'les, iir

To take a closer look at other Hayward products, go to

hayward.com or call 1-888-HAYWARD,

PIM HAYWARD'

Page 8: Simplified Total Dynamic Head (TDH) Calculation Worksheet

SwimClear Head Loss

5.00

§ 3.00

u. § 2.5

0

<6

60

80

Flow

in GPM CjO

ClOOS

• — C150S

—C200S

140

Page 9: Simplified Total Dynamic Head (TDH) Calculation Worksheet

OWNER'S MANUAL

Installation, Operation and Service

HEAT PUMP STYLEPOOL / SPAHEATERS

HAYWARDHEAT PUMPS FOR POOLS & SPAS

HP13023616 Rev EOctober 2007

Page 10: Simplified Total Dynamic Head (TDH) Calculation Worksheet

FLOWRATE

MODELS: HP6002 / HPABG / HPABGDELUXE2 / PE42B2S2

The 3 '/4 and 2.5 HP is designed for nominal water flow of 45 gpm through the condenser. Aminimum flow of 20 gpm is required to insure sufficient heat removal from the condenser, thus avoidingoverheating the unit. Flow rates above 75 gpm will begin to create excessive pressure drop through thecondenser and require unnecessarily high pumping energy.

MODELS: HP21002 / HP21002C /HP2100TCO2 / HP 11002 / HP3100 / PE52A62 / PB52A6TC02 / HP52A2The 5 HP is designed for nominal water flow of 55 gpm through the condenser. A minimum flow of

30 gpm is required to insure sufficient heat removal from the condenser, thus avoiding overheating the unit.Flow rates above 75 gpm will begin to create excessive pressure drop through the condenser and requireunnecessarily high pumping energy.

EXTERNAL BYPASS

If the flow rate exceeds 75 gpm, a bypass loop must be installed around the heat pump (refer to page24). The bypass loop piping should be sized to provide close to nominal water flow rate (refer to the aboveparagraph). Pump capacity' versus backpressure performance curves for the pump used in the pool systemshould be consulted to determine the flow rate. This may require a pressure or flow gauge measurement at thepump discharge.

UNIONS

A detachable connection (union) must be utilized immediately adjacent the healer to facilitateservicing and winterizing the unit. (See example on previous page)

INSTALLATION OF POOL HEATER ABOVE POOL SURFACE

If the pool heater is installed more than three feet above the surface of the pool water install directional flowfittings on the end of the return water line to the pool. This will create adequate backpressure at the heater tooperate an important water pressure switch. A pool supply company can help you with directional flowfittings.In some cases, such as when the heater 6-8 feet above the pool surface, it may be necessary to install apositive flow switch such as AQUALARM^m water line instead of the pressure switch.

INSTALLATION OF POOL HEATER

BELOW POOL SURFACE

Adjustment Knob-up decreases pressure selpoinldown increases the setpoint

Water Pressure Switch

A water pressure switch is integrated into our systems to ensure thaithe unit only operates when water is flowing through the healexchanger. If a pool surface is above the heal pump, backpressure ofwater from the pool can cause problems with an internal waterpressure switch setting. The water pressure switch is located in thecontrol panel of the heat pump. Backpressure from the pool can closethis switch, whose function is to tell the heat pump that the filterpump is running. This pressure switch setting should be adjusted sothat the unit is running only while pool filter pump is operating.Caution: If the heat pump runs for more than a couple of minuteswithout the filter pump in combination, the unit will overheat and be damaged.

Page 11: Simplified Total Dynamic Head (TDH) Calculation Worksheet

HAYWARD POOL PRODUCTSPRODUCT: HEAT PUMP

Maximum

Al models

Minimum

Head Loss

Al) models

*2.31 Feet of Water = 1 PSI

MODELS: SOkBtu 65 kBtu 95 kBtu110 kBtu 120 kBtu 125 kBtu

50 60

Flow (GPM)

140 kBtu

24


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