Weil-McLain AQUA PLUS 35, AQUA PLUS 45, AQUA PLUS 55, AQUA PLUS 85, AQUA PLUS 105 Specification Sheet
Tank Models: 35, 45, 55, 85 and 105
AHRI Certified® - The Trusted Mark
of Performance Assurance
Factory pressure tested
316L welded stainless steel tank
304 stainless steel coil over 1 inch in
diameter
Exclusive replaceable anode
Dedicated recirculation tapping
2” thick CFC-free foam insulation
Large inspection port for easy
cleaning and service
Adjustable feet for uneven floors
150 PSI Temperature and Pressure
relief valve included
Indirect-Fired Water Heaters
SUBMITTAL SHEET
Standard Equipment
Aqua Plus® Indirect-Fired Water Heaters:
JOB NAME_________________________________________________________________________________________
LOCATION_________________________________________________________________________________________
ARCH. / ENGR.______________________________________________________________________________________
WHOLESALER_______________________________________________________________________________________
MECH. CONTRACTOR_________________________________________________________________________________
AQUA PLUS® MODEL NO._ QUANTITY______________________________
NOTES_____________________________________________________________________________________________
Weil-McLain | 999 McClintock Drive, Suite 200, Burr Ridge, IL 60527 | Tel 800.526.6636 | www.weil-mclain.com
Boiler
Out
(MBH)
115F
DHW
(GPH)
140F
DHW
(GPH)
Boiler
Out
(MBH)
115F
DHW
(GPH)
140F
DHW
(GPH)
Boiler
Out
(MBH)
115F
DHW
(GPH)
140F
DHW
(GPH)
35 170 337 223 170 311 202 150 284 181
45 190 363 243 170 335 222 150 307 200
55 210 443 302 190 411 278 190 378 252
85 300 551 374 250 511 343 250 470 310
105 350 715 483 350 662 442 300 608 400
Aqua
Plus®
Model
200°F Boiler Water
190°F Boiler Water
180°F Boiler Water
Ratings
* With 50°F domestic water inlet and stated other conditions
Aqua Plus® Model 35 45 55 85 105
DHW Side Storage (gal) 29.6 39.9 53.1 80.6 109.4
Boiler Side Storage (gal) 1.6 1.9 2.2 2.5 3.5
Recommended Flow Rates (GPM) 8 8 8 14 14
Head Loss-Boiler Side (ft) 2 3.3 1.6 5.4 7.1
Working Pressure - Tank (psi)
Working Pressure - Coil (psi)
DHW Operating Temp (°F)
Approx. Shipping Weight (lbs) 94 111 122 223 238
Aqua Plus® Model 35 45 55 85 105
DHW In/Out & Recirc
Boiler Water In/Out
A Dimension (in.) 36 3/8 46 1/4 60 59 1/2 59 3/4
B Dimension (in.) 7 7/8 7 7/8 7 7/8 10 3/8 14 1/4
C Dimension (in.) 24 26 29 7/8 33 1/4 41 3/8
D Dimension (in.) 21 7/8 21 7/8 21 7/8 26 30
E Dimension (in.) 7 3/8 7 3/8 7 3/8 8 7/8 9 7/8
F Dimension (in.) 17 5/8 21 1/4 28 1/8 31 1/2 29 5/8
G Dimension (in.) 28 37 7/8 51 3/8 50 3/8 40 5/8
Data
1 in. NPT
1 in. NPT**
160*
180
150 (Maximum)
145 (Maximum)
Dimensions
3/4 in. NPT
1 in. NPT
Specifications
Key Features:
1. Boiler water inlet
2. Boiler water outlet
3. Cold water inlet
4. Hot water outlet
5. Domestic water recirculation inlet
6. Inspection hatch and cover with
thermostat knob
7. Magnesium anode rod
8. Temperature and Pressure relief
valve connection
In the interest of continual improvements in product and performance, Weil-McLain reserves the right to change specification without notice. For reference use only. See product manual for detailed information.
* Optional 180°F thermostat available
**1 ¼ piping required
Weil-McLain | 999 McClintock Drive, Suite 200, Burr Ridge, IL 60527 | Tel 800.526.6636 | www.weil-mclain.com
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