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B. MUNCHKIN RATINGS AND DIMENSIONS
Model
Input Modulation
Number
BTU / hr
199VWH 66,000–199,000
Model
Input Modulation
Gross Output
Number
BTU / hr
BTU / hr
399VWH 100,000–399,000
379,000
MODEL INLET OUTLET RECOVERY RATE
199 VWH
40°
80°
199 VWH
40°
90°
199 VWH
40°
100°
199 VWH
40°
110°
199 VWH
40°
120°
199 VWH
40°
130°
199 VWH
40°
140°
199 VWH
40°
150°
199 VWH
40°
160°
199 VWH
40°
170°
199 VWH
40°
180°
*Example recovery rate for 199VWH @ 90° rise: 400 gal. tank ¸ 255 GPH @ 90° rise = 1.56 x 60 min. = 93.6 min.
399 VWH
40°
80°
399 VWH
40°
90°
399 VWH
40°
100°
399 VWH
40°
110°
399 VWH
40°
120°
399 VWH
40°
130°
399 VWH
40°
140°
399 VWH
40°
150°
399 VWH
40°
160°
399 VWH
40°
170°
399 VWH
40°
180°
*Example recovery rate for 399VWH @ 90° rise: 400 gal. tank ÷ 510 GPH @ 90° rise = .78 x 60 min. = 46.8 min.
199 VWH at 20GPM
Pressure Drop for Tube Length of 1¼" Copper
(10) 90° Elbows ad (2) Tees (Side Outlet)
with Munchkin 199 VWH
1¼" Tube Length
20'
20 GPM
21.65
6
MUNCHKIN VWH RESIDENTIAL BOILER
DOE Heating
Net I=B=R
BTU / hr
Ratings BTU / hr
183,000
159,000
MUNCHKIN VWH COMMERCIAL BOILER
Net I=B=R
Combustion
Ratings BTU / hr
Efficiency%
330,000
W/ 80 GAL. STORAGE TANK
573 GPH
458 GPH
382 GPH
327 GPH
287 GPH
255 GPH
229 GPH
208 GPH
191 GPH
176 GPH
163 GPH
1149 GPH
919 GPH
766 GPH
657 GPH
575 GPH
510 GPH
460 GPH
418 GPH
383 GPH
354 GPH
328 GPH
30'
40'
50'
22.62
23.6
24.56
25.53
DOE
Boiler
Water
AFUE %
Water
Connections
95.1
1.8 gal 1-1/4" NPT
Thermal
Boiler
Efficiency%
Water
Connections
95.1
93.4
4.2 gal
FIRST HOUR RATING
626 GAL
511 GAL
435 GAL
380 GAL
340 GAL
308 GAL
282 GAL
261 GAL
244 GAL
229 GAL
216 GAL
1202 GAL
972 GAL
819 GAL
710 GAL
628 GAL
563 GAL
513 GAL
471 GAL
436 GAL
407 GAL
381 GAL
Pressure Drop for Tube Length of 2" Copper
(10) 90° Elbows and (2) Tees (Side Outlet)
60'
2" Tube Length
40 GPM
GENERAL INFORMATION
Fan Speeds Ship.
Gas
Vent
Connections
Size
High Low
3/4"
3"
4800 1550 126 lbs.
Fan Speeds Ship.
Water
Gas
Vent
Connections
Size
High Low
2" NPT
1-1/4"
4" 7700 1900 252 lbs.
FIRST HOUR RATING
W/ 119 GAL. STORAGE TANK
652 GAL
537 GAL
461 GAL
406 GAL
366 GAL
334 GAL
308 GAL
287 GAL
270 GAL
255 GAL
242 GAL
1228 GAL
998 GAL
845 GAL
736 GAL
654 GAL
589 GAL
539 GAL
497 GAL
462 GAL
433 GAL
407 GAL
399 VWH at 40GPM
with Munchkin 399 VWH
20'
30'
40'
24
24.37
24.74
Wt.
Wt.
50'
60'
25.11
25.48
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