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T21 Thermostatic mixing valve – 3729

Thermostatic mixing valves with interchangeable

cartridges for centralized systems.

 

Use

Thanks to their special features, the T21 thermostatic mixing valves can be installed on centralized systems.

 

Details

DZR low-lead brass body.

EPDM perox seals.

Stainless Steel Internal Spring

 

Fluid: Water

Setting range: 86-140°F (30-60°C)

Sensibility: 37°F (±3°C)

Max. static pressure: 200psi (14 bar)

Max. dynamic pressure: 75psi (5 bar)

Cv:
cv 4.05 (kv 3.5) - Body 1-1/4"
cv 7.05 (kv 6) - Body 1-1/2"
cv 12.8 (kv 11) - Body 2-1/2"

Hot water inlet temperature range: 120-180°F (49-82°C)

Cold water inlet temperature range: 39-80°F (4-27°C)

Min. ΔT between inlet and outlet: 50°F (10°C)

Min. flow to ensure optimal performance:
3.2 gpm (12 l/min)  - Body 1-1/4"
6.3 gpm (24 l/min) - Body 1-1/2"
9.5 gpm (36 l/min)  - Body 2-1/2"

 

 

Data Sheets:
Sell Sheet

Technical Specifications

 

Certification:
ICC-ES PMG Listing

 

Certified to:

ASSE 1017

NSF-61

NSF-372

 

NPT - Male (No Check Valves)

" _ " = "8" with Temperature Gauge or "0" without Temperature Gauge

Model #

3729.34._0N

3729.35._0N

3729.36._0N

3729.46._0N

3729.47._0N

3729.68._0N

3729.69._0N

Size

1/2”

3/4”

1”

1”

1-1/4"

1-1/2"

2”

Valve Size

1-1/4"

1-1/4"

1-1/4"

1-1/2"

1-1/2"

2-1/2"

2-1/2"

Connection

NPT

NPT

NPT

NPT

NPT

NPT

NPT

NPT - Male (Inlet Check Valves in Fittings)

" _ " = "8" with Temperature Gauge or "0" without Temperature Gauge

Model #

3729.34._2N

3729.35._2N

3729.36._2N

3729.46._2N

3729.47._2N

3729.68._2N

3729.69._2N

Size

1/2”

3/4”

1”

1”

1-1/4"

1-1/2"

2”

Valve Size

1-1/4"

1-1/4"

1-1/4"

1-1/2"

1-1/2"

2-1/2"

2-1/2"

Connection

NPT

NPT

NPT

NPT

NPT

NPT

NPT

FNPT - Female (No Check Valves)

" _ " = "8" with Temperature Gauge or "0" without Temperature Gauge

Model #

3729.34._0F

3729.35._0F

3729.36._0F

3729.46._0F

3729.47._0F

3729.68._0F

3729.69._0F

Size

1/2”

3/4”

1”

1”

1-1/4"

1-1/2"

2”

Valve Size

1-1/4"

1-1/4"

1-1/4"

1-1/2"

1-1/2"

2-1/2"

2-1/2"

Connection

FNPT

FNPT

FNPT

FNPT

FNPT

FNPT

FNPT

FNPT - Female (Inlet Check Valves in Fittings)

" _ " = "8" with Temperature Gauge or "0" without Temperature Gauge

Model #

3729.34._2F

3729.35._2F

3729.36._2F

3729.46._2F

3729.47._2F

3729.68._2F

3729.69._2F

Size

1/2”

3/4”

1”

1”

1-1/4"

1-1/2"

2”

Valve Size

1-1/4"

1-1/4"

1-1/4"

1-1/2"

1-1/2"

2-1/2"

2-1/2"

Connection

FNPT

FNPT

FNPT

FNPT

FNPT

FNPT

FNPT

Sweat (No Check Valves)

" _ " = "8" with Temperature Gauge or "0" without Temperature Gauge

Model #

3729.34._0S

3729.35._0S

3729.36._0S

3729.46._0S

3729.47._0S

3729.68._0S

3729.69._0S

Size

1/2”

3/4”

1”

1”

1-1/4"

1-1/2"

2”

Valve Size

1-1/4"

1-1/4"

1-1/4"

1-1/2"

1-1/2"

2-1/2"

2-1/2"

Connection

SWEAT

SWEAT

SWEAT

SWEAT

SWEAT

SWEAT

SWEAT

Sweat (Inlet Check Valves in Fittings)

" _ " = "8" with Temperature Gauge or "0" without Temperature Gauge

Model #

3729.34._2S

3729.35._2S

3729.36._2S

3729.46._2S

3729.47._2S

3729.68._2S

3729.69._2S

Size

1/2”

3/4”

1”

1”

1-1/4"

1-1/2"

2”

Valve Size

1-1/4"

1-1/4"

1-1/4"

1-1/2"

1-1/2"

2-1/2"

2-1/2"

Connection

SWEAT

SWEAT

SWEAT

SWEAT

SWEAT

SWEAT

SWEAT

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