Vertical Hot Water Buffer Tanks

  • A hot water buffer or volume tank improves system efficiency by adding extra thermal mass to the boiler water loop that circulates through a heat exchanger bundle.
  • It is sized by using the boiler’s performance capabilities with the desired firing time and maximum temperature drop chosen by its specifier to reduce boiler ignition cycles to four or less per hour.
  • They are necessary with today’s smaller, high efficiency low mass boilers and also function as an air eliminator.
  • As temperature stratification is not a major concern, they are usually built without internal baffles.
  • Please email or call us if you need assistance in sizing a hot water buffer tank.
GALLONS SIZE CONNECTIONS
FLANGES
PRICE
120 24″ X  64″0 2″.0 FNPT connection Enquire
200 30″ X  72″0 3″.0 FNPT connection Enquire
235 30″ X  84″0 3″.0 FNPT connection Enquire
300 36″ X  76″0 3″.0 FNPT connection Enquire
400 36″ X  99″0 3″.0 FNPT connection Enquire
520 42″ X  92″0 6″.0 150# flanges Enquire
650 42″ X  120″ 6″.0 150# flanges Enquire

GALLS SIZE
Dia x Lgth
PRESSURE
psi
WT# DRAWING / PART#
Click to see
drawing
NET PRICE
Click for details
40 16″ x 50″ 150 160 WO-372-B GET QUOTE
80 20″ x 64″ 150 234 WL-309-B $ 1725 IN STOCK
115 24″ x 64″ 150 228 WK-840-B GET QUOTE
115 24″ x 64″ 150 228 WM-718-B GET QUOTE
115 24″ x 64″ 150 228 WM-939-B GET QUOTE
120 24″ x 64″ 125 300 WM-657-B GET QUOTE
125 24″ x 57″ 150 535 WN-195-B GET QUOTE
139 24″ x 75″ 150 355 WJ-824-B GET QUOTE
189 30″ x 66″ 125 394 WK-378-B GET QUOTE
200 30″ x 72″ 125 585 WL-273-B GET QUOTE
200 30″ x 72″ 125 601 WN-300-B GET QUOTE
235 30″ x 84″ 150 456 WN-092-B GET QUOTE
235 30″ x 84″ 125 479 WM-146-B GET QUOTE
300 36″ x 72″ 150 787 WM-285-B GET QUOTE
325 36″ x 81″ 125 619 WM-876-B GET QUOTE
335 36″ x 84″ 150 708 WM-002-B GET QUOTE
400 36″ x 99″ 125 946 WM-590-B GET QUOTE
400 42″ x 75″ 125 918 WN-930-B GET QUOTE
472 42″ x 87″ 150 1125 WN-349-B GET QUOTE
500 42″ x 83″ 150 1184 WM-112-B GET QUOTE
530 42″ x 97″ 125 1062 WM-003-B GET QUOTE
534 42″ x 98″ 150 1160 WM-721-B GET QUOTE

Horizontal Hot Water Buffer Tanks

GALLS SIZE
Dia x Lgth
PRESSURE
psi
WT# DRAWING / PART#
Click to see
drawing
NET PRICE
Click for details
40 16″ x 50″ 150 120 WK-410-A $ 1458 IN STOCK
60 20″ x 49″ 150 160 WK-565-A $ 1286 IN STOCK

Notes:

  • All prices are FOB our plant, Los Angeles, California.
  • TANKS SHIPPED BY TRUCK MUST BE SKIDDED FOR SHIPMENT – CALL FOR PRICING.
  • In stock tanks cannot be modified.
  • Standard styles can be modified at nominal cost. The part# will change.
  • DRAWINGS ARE UPDATED TO CURRENT A.S.M.E. DATE FOR NEW ORDERS.
  • If the capacity or working pressure you need is not listed, contact us for a prompt quotation.
  • As well as ASME, we can meet other domestic and international codes. EG: ABS, USCG, Canadian, Lloyds and DNV.
  • Rev. 030120181859