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Air To Water Heat Exchangers

Valutech supplies air to water heat exchangers for a broad range of domestic heating and cooling applications. These air to water units are ideal for heating water in residential and public buildings. Compact and lightweight, these units are designed to maximize heat transfer by utilizing a series of 3/8" copper tubes with a high density of aluminum fins. These fins are spaced in such a way that the fin density is an impressive 12 fins per inch. This unique design allows for heating loads of 50,000 to 60,000 Btu per square foot (please see performance chart below). And though the fin density is high in these air to water heat exchangers, the flow resistance through the coils is surprisingly low.

Applications

Residential Heating and Cooling
Apartment Buildings and Condominiums
Hybrid Systems
Air Conditioning
Dehumidification

Specifications of Air to Water Heat Exchangers:

Materials	Tube Coil	3/8" Seamless Copper
-	Plate Fin	Aluminum
-	Core Housing	Galvanized Steel
-	Header	Copper
Rating:	Tubeside	175 psig/350F
Plate Fin Spacing	12/inch	-
All Connections	1" ID Solder	-

Highlights of Air to Water Heat Exchangers:

Tube Coil is made entirely of 3/8" seamless copper.
Plate Fin is made from Aluminum.
The core housing is made of galvanized steel.
Header is made from Copper and has a 1" ID.
The Tubeside is rated at 175 psig/350F.
Plate Fin Spacing is 12 per inch.
All connections are 1 inch ID Solder and can come with an optional flange and NPT.
Units kept in stock for immediate delivery.

Dimensional Table

Model	-	-	-	-	-	-	-	-	Dimensions in
-	-	-	-	-	-	-	-	-	A	B	C	D**
HTL12 x 12	CFM	Ent-Water	500	600	700	800	900	1016	12	12	3.5	7 3/4
	pd in.wc	T(F)	0.145	0.155	0.165	0.175	0.185	0.195
Based on	Load	140	28080	29160	34171	36115	37325	38400
6 gpm	in	160	35978	37362	43782	46273	47822	49200
pd 0.49psi	BTU/h	180	43875	45563	53392	56430	58320	60000
HTL16 x 16	CFM	Ent-Water	850	950	1050	1150	1250	1355	16	16	3.5	11 1/2
HTL16 x 16	pd in.wc	T(F)	0.172	0.189	0.206	0.223	0.240	0.257
Based on	Load	140	44064	46580	48535	49928	50760	51200
8 gpm	in	160	56457	59681	62185	63970	65036	65600
pd 0.51psi	BTU/h	180	68850	72782	75836	78013	79312	80000
HTL16 x 18	CFM	Ent-Water	1100	1200	1300	1400	1500	1693	16	18	3.5	11 1/2
HTL16 x 18	pd in.wc	T(F)	0.189	0.206	0.223	0.240	0.257	0.274
Based on	Load	140	57024	58838	60091	60782	60912	64000
10 gpm	in	160	73062	75386	76992	77877	78044	82000
pd 0.81psi	BTU/h	180	89100	91935	93892	94972	95175	100000
HTL18 x 18	CFM	Ent-Water	1500	1600	1700	1800	1900	2032	18	18	3.5	13
HTL18 x 18	pd in.wc	T(F)	0.24	0.257	0.274	0.291	0.308	0.325
Based on	Load	140	71280	72921	74174	75038	75513	76800
12 gpm	in	160	91327	93430	95035	96142	78044	98400
pd 0.91psi	BTU/h	180	111375	113940	115897	117247	117990	120000
HTL18 x 20	CFM	Ent-Water	1850	1950	2050	2150	2250	2370	18	20	3.5	13
HTL18 x 20	pd in.wc	T(F)	0.274	0.291	0.308	0.325	0.342	0.359
Based on	Load	140	83916	85503	86788	87771	88452	89600
14 gpm	in	160	107517	109551	111198	112457	113329	114800
pd 1.32psi	BTU/h	180	131118	133599	135607	137143	138206	140000
HTL19 x 20	CFM	Ent-Water	2050	2150	2250	2350	2450	2540	20	19	3.5	14 1/2
HTL19 x 20	pd in.wc	T(F)	0.303	0.320	0.337	0.354	0.371	0.388
Based on	Load	140	88560	90558	92340	93906	95256	96000
15 gpm	in	160	113467	116027	118310	120317	122046	123000
pd 1.49psi	BTU/h	180	138375	141496	144281	146728	148837	150000
HTL20 x 20	CFM	Ent-Water	1950	2100	2250	2400	2550	2708	20	20	3.5	14 1/2
HTL20 x 20	pd in.wc	T(F)	0.272	0.298	0.323	0.349	0.374	0.400
Based on	Load	140	92664	95709	98172	100051	101347	102400
16 gpm	in	160	118725	122627	125782	128190	129851	131200
pd 1.38psi	BTU/h	180	144787	149546	153393	156330	158355	160000
HTL22 x 22	CFM	Ent-Water	2400	2600	2800	3000	3200	3386	22	22	3.5	17 1/2
HTL22 x 22	pd in.wc	T(F)	0.287	0.321	0.355	0.389	0.423	0.457
Based on	Load	140	114048	118497	122169	125064	127180	128000
21 gpm	in	160	146124	151825	156529	160238	162950	164000
pd 2.08psi	BTU/h	180	178200	185152	190890	195412	198720	200000
HTL24 x 24	CFM	Ent-Water	2200	2400	2600	2800	3000	3216	20	25	3.5	14 1/2
HTL24 x 24	pd in.wc	T(F)	0.252	0.286	0.320	0.354	0.388	0.422
Based on	Load	140	104544	109382	113443	116726	119232	121600
20 gpm	in	160	133947	140146	145349	149555	152766	155800
pd 2.56psi	BTU/h	180	163350	170910	177255	182385	186300	190000
HTL22 x 25	CFM	Ent-Water	2700	2900	3100	3300	3500	3725	22	25	3.5	17 1/2
HTL22 x 25	pd in.wc	T(F)	0.320	0.354	0.388	0.422	0.456	0.490
Based on	Load	140	128304	132170	135259	137570	139104	140800
23 gpm	in	160	164389	169343	173300	176262	178227	180400
pd 2.77psi	BTU/h	180	200475	206516	211342	214953	217350	220000

Capacity based on boiler temperature 180 F.
** Can be customized.

air to water heat exchanger diagram

Call us today. Tel: 905.940.0961 or by Email: info@valutechinc.com

Valutech Inc. 70 Esna Park Drive, Unit 3, Markham, Ontario, Canada L3R 6E7
Tel: (905) 940-0961 ~ Fax: (905) 940-0983