duff co duff water heaters commercial or residential gas or electric heating for your gas or electric water heater requirements contact your duff representative phone 610-275-4453 fax 610-279-6299 page 270 for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices.
|
duff heating aruba cast iron gas fired hot water boiler co standard equipment includes standing pilot and vent damper completely factory assembled pre-wired and crated with built-in draft diverter deluxe baked enamel steel jacket 3/4 boiler drain asme relief valve 30 lb 1 1/4 circulator wired and piped to boiler one piece cast iron burners natural gas only vent damper honeywell l8148e combination high control and circulator relay honeywell automatic redundant combination gas valve 24v with pilot filter switches one spill switch and one rollout switch model fig no no of specs natural gas and lp gas aga input btu/hr doe heating capacity btu/hr 30,000 56,000 84,000 113,000 141,000 169,000 198,000 226,000 ibr net water rating btu/hr 26,000 49,000 73,000 98,000 123,000 147,000 172,000 197,000 approx shipping wght packaged afue `spd eid price abf38 abf70 abf105 abf140 abf175 abf210 abf245 abf280 2 3 4 5 6 7 8 9 37,500 70,000 105,000 140,000 175,000 210,000 245,000 280,000 213 277 336
|
heating duff custom radiator covers are available in three standard grill styles and 7 colors also available custom convector covers custom baseboard covers custom air conditioner covers and custom grilles duff co free standing radiators many sizes available call our heating department for sizing and prices call for sizing info call duff for pricing and availability the runtal omnipanel towel warmer radiators available in hydronic direct wire and plug in gfci plug many sizes and options robe knobs towel bars pull out drying racks coat racks also available uf2 uf3 call now for pricing and availability 2 uf4 runtal euro baseboard available 2 thru 14 easy to buy easy to install hot water standard color white customer colors available for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices page 287
|
heating vr8304 duff co honeywell gas valves vr8305 dual valve combination gas control for electronic hot surface hsi and direct spark dsi ignition systems used with s89c -e -f and s87 ignition modules replaces honeywell vr8450 8405 white-roodgers 36e36 -38 36c68 robertshaw 7200der same valve action and features as vr8304 but without pilot control mfg no vr8305m3506 size ipt inletxoutlet 1/2x3/4 btuh capacity range 30,000 to 415,000 gas natural vr8300 compact dual valve combinaiton gas control for standing pilot systems a compact universal valave withwiede range capacity for use in standing pilot furnaces boilers space heating applicances wall heaters etc meets ansi safety standars requireing dual-seated or single-seated with eco shutoff servo type regulator with screw adjustment lp conversionkit included mfg no vr8300a4508 size ipt inletxoutlet 3/4 x 3/4 btuh capacity range 30,000 to 300,000 gas natural dual valve combination gas control for electronic intermittent pilot ignition
|
heating duff co spiralink permanent replacement coupling for b&g theo and armstrong pumps single retrofit elminates future coupling replacement easy installation reduces labor hours and down-time superior flexibility extends pump life by absorbing torque load on bearings and seals model versatility reduces coupler inventory up tp 70 b&g 75 100 125 150 1-1/2 2 2 1/2 ld3 hd3 hv 1 hv 1-1/4 hv 1-1/2 1 pr pd-35 pd-37 pd-38 pd-39 old new 60-1 60-2 60-3 60-4 60-5 60-6 60-8 60-11 60-13 60-14 60-15 60-16 60-17 60-19 armstng hp rot shaft b&g armstrong fig no price 5-25 5-34 5-35 5-45 s-46 1 1/2 118705 or 189110 806026 1/6 ccw 1/4 1/3 1/2 x 1/2 118473 or 118723 118705 or 189110 806168 46960 806026 h-32 h-41 5-55 5-57 5-60 h-51 h-52 h-53 h-54 h-63 h-64 h-66 h-65 h-67 1/6 2/3 3/4 1 1/4 1/3 1/2 3/4 1/2 3/4 1 118473 1/2 x 1/2 118708 or 118709 or 1/2x5/8 1/2 x 5/8 118476 or p77271 or 5/8x5/8 b&g 1/2 x 1/2 armstrong 1/2 x 5/8 1/2 x 5/8 118473 118709 or p77234 807436 or 806137 812734 816665 80743
|
heating kunkle 6000 series duff co steam and water safety valves kunkle 252 series models 252-253 254 models 6010-6021 6030 6221 6230 6238 fbf-fba pressure limits steam to 250 psig 406of air/gas to 300 psig 300of models 6030 6130 6230 to 300 psig steam 422of model 6186 to 150 psig air/gas 300of applications steam boilers and generators air/gas compressors reciprocating or rotary portable or stationary intercoolers and after coolers pressure vessels containing steam air or nonhazardous gas including tanks receivers sterilizers and autoclaves pressure limits 250 psig 406of applications steam boilers and generators pressure reducing stations air/gas compressors reciprocating or rotary pressure vessels including tanks receivers intercoolers oil gas separators lines kunkle consolidated lonergan lunkenheimer etc call today with your specifications rebuild service now available brass iron stainless pvc ductile call us today special expediting service for those hard to get settings kunkl
|
duff co heating gauges 3 1/2 face lower mount rnemut fig.no ag on price fig no price stainless pressure gauge 1/4 lower mount 2 1/12 face 100 lb 160 lb 100 lb liquid fill 36529 36530 45439 1 1/2 face lower mount back mount rnemut fig.no ag on 0-15 0-60 0-100 0-160 0-300 0-15 0-30 0-30 0-60 0-60 0-100 0-160 0-160 0-200 0-300 0-300 0-400 0-600 0-1000 0-4000 0-5 0-15 0-30 0-30 0-60 0-60 0-100 0-100 0-160 0-200 0-300 0-400 0-600 0-1000 0-2000 0-3000 0-5000 1/4 1/8 1/8 1/8 1/8 1/4 1/8 1/4 1/4 1/8 1/4 1/4 1/8 1/4 1/4 1/8 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/8 1/4 1/8 1/4 1/8 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 36522 16503 16507 16512 33867 price rnemut fig.no ag on price 0-160 1/8 16515 2 16519 36523 16532 16533 16566 16537 16541 16570 16544 16550 16572 16553 16557 16561 52379 face 0-15 0-30 0-30 0-60 0-60 0-100 0-100 0-160 0-160 0-200 1/4 1/8 1/4 1/8 1/4 1/8 1/4 1/8 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 16582 36528 16583 20250 16586 16574 16590 16578
|
duff co heating regulators temperature regulator watson mcdaniel style 0 used to increase the temperature good for steam of a medium liquid or gas by pressure reducing valve remotely sensing that medium s pressure reduction for numerous temperature and throttling steam types of systems and equipment flow to it typical uses are platindustrial plants hospitals ing or finishing tanks hot water hotels power plants etc a generators and storage tanks small highly-versatile valve that heat exchangers fuel oil storage tanks and heaters offers a wide range of reduced pressures it provides steam tables open tank or kettle control heating accurate regulation where demand and incoming ducts circulating dryers or ovens sterilizing equip pressure are fairly constant ment size rang fig no price balanced main valve for better temperature control of dial thermometer optional 1/2 0-10 55610 control down to 2 size 1/2 3/4 1 1 1/4 1 1/2 2 fig no 9055 9056 9058 9059 9063 9064 price 1/2 1/2 1/2 3/4 3/4 3/4
|
duff co all fuel stainless steel and aluminum chimney liner kit heating heating accessories all fuel chimney type b gas vent for use with low-heat appliances sized 6 to 12 call now for specs for venting all listed gas appliances having draft hoods sized 3 to 8 oval and round call now for specs ready for immediate delivery call with your specifications draft regulator for oil and solid fuel field type swh side wall vent hood designed for standard vent pipe and class b type double wall connection to be used inside wall venting of oil or gas fired heating systems provides proper clearances between flue-gas stream and wall combustibles available for immediate delivery in 3 4 5 6 and 8 sizes field power venters model swg our new patented power venter design is a giant step forward in the evolution of sidewall venting it s the safe economical easy to install answer to power venting the swg series from field controls combines the fan motor and vent hood into one complete and compact
|
duff co fit all thermocouple kit heating heating accessories tank sticks thermocouple tester see page 732 for water finding paste for quick testing of thermocouple output provides visual indication of proper thermocouple operation fig no 66260 size 18 24 36 fig no 16852 16858 16864 price price size 9 ft 14 ft fig no 25678 29220 price thermostat cable with plastic jacket self tapping boiler plugs size 1/4 5/16 3/8 7/16 fig no 16799 16804 16812 16817 price size 18-2 18-3 18-4 18-5 18-6 fig no 8838 8845 8864 8865 8867 price floor and ceiling plates electrical tape copper size fig no price iron pipe size fig no price ace boiler plug 1/2 3/4 1 1 1/4 1 1/2 2 16879 16884 16886 16894 16899 21354 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 16908 16909 16914 16915 16917 16922 16924 16926 16931 size 3/4 x 60 fig no 15332 price ignition cable size std jumbo fig no 16829 16833 price 4-in-1 radiator handle fits rajah terminal perfectly 25 ft to plastic box fig no price folding tank sticks 34312 ignitors
|
duff co duff quiz 1 how many british thermal units btu s are required to raise one pound of water 1 degree fahrenheit a 212 b 100 c 1 d 513 2 a b c d 3 a b c d one cubic foot of water weighs 1 lb 8.33 lbs 7.48 lbs 62.4 lbs one gallon of water weighs 1 lb 8.33 lbs 7.48 lbs 62.4 lbs 5 how many btu s are in 1 kilowatthour a 212 b 3,412 c 1,000 d 62.4 6 if you mix 180-degree hot water with 40-degree cold water to obtain 140-degree tempered water what percentage of the mixed water is hot water a 88.3 b 71.5 c 75.2 d 50.0 7 if you have a storage tank that is 30 inches in diameter by 60 inches high how many gallons of water will the storage tank hold a 183.62 v=3.142xr xrxh b 1,800 231 c 120.5 d 100 heating 8 how many btu s are in one cubic foot of natural gas a 212 b 1,000 c 2,500 d 3,200 9 how many btu s are in one cubic foot of propane a 212 b 1,000 c 2.500 d 3,200 10 in gas water heaters scale deposits on the bottom of the water heater insulate the bottom of the water heater from the burn
|
