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ManualsBrandsCaleffi ManualsHeating Supplies1-1/4" Sweat Pressure Reducing Valve w/o Gauge (Low Lead, Pre-adjustable)
919293949596979899100
91
10
A
AIR SEPARATOR LOW LEAD MIXING VALVES
Safety relief valves for solar systems.
Working temperature range: -20—360ºF.
Normal pressure: 150 psi.
Opening over pressure: 10%.
Closing differential: 20%.
Discharge capacity: 171,000 Btu.
Connections: Inlet, ½" female.
Discharge, ¾" female.
TÜV certifi ed to TRD-721-SV100 7.7.
Meets ANSI Z21.22 standard.
Code Description Lbs USD
253042 Factory set to 35 psi 0.3 78.50
253043 Factory set to 45 psi 0.3 78.50
253044 Factory set to 60 psi 0.3 78.50
253046 Factory set to 90 psi 0.3 78.50
253048 Factory set to 120 psi 0.3 78.50
253040 Factory set to 150 psi 0.3 78.50
Air separator for solar heating systems.
Working temperature range: -20—320ºF.
Max. working pressure: 150 psi.
Max. discharge pressure: 150 psi.
Connections: Main, ¾" NPT, female
Bottom, ½" NPT, female
Code Description Lbs USD
251003A ¾" NPT female 2.0 208.80
Adjustable thermostatic three-way mixing
valve for solar systems with built-in inlet
check valves.
Setting range: 80—150ºF.
Max. working pressure: 200 psi.
Max. inlet temperature: 210ºF.
Connection: ½", ¾", 1" sweat.
Certifi ed to ASSE 1017, CSA B125.3,
UPC, IPC, Low Lead Laws and listed by
ICC-ES for use in accordance with the U.S.
and Canadian plumbing codes.
Code Description Lbs USD
252149A ½" sweat with inlet check valves 1.2 252.90
252159A ¾" sweat with inlet check valves 1.2 266.50
252169A 1" sweat with inlet check valves 1.2 308.70
Code Description Lbs USD
252158A ¾" sweat with inlet check valves 1.2 327.40
252168A 1" sweat with inlet check valves 1.2 372.50
Adjustable thermostatic three-way mixing
valve with temperature gauge for solar
systems with built-in inlet check valves.
Setting range: 80—150ºF.
Max. working pressure: 200 psi.
Max. inlet temperature: 210ºF.
Connection: ¾", 1" sweat.
Certifi ed to ASSE 1017, CSA B125.3,
UPC, IPC, Low Lead Laws and listed by
ICC-ES for use in accordance with the U.S.
and Canadian plumbing codes.
2521
253
tech. broch. 01089
251
DISCAL
™
tech. broch. 01134
2521
tech. broch. 01127
tech. broch. 01127
TÜV Rheinland is an approved U.S. Nationally
Recognized Testing Laboratory (NRTL) Certifi cation
Body for Pressure Equipment. Meets ANSI Z21.22
“Relief Valves for Hot Water Supply Systems.”
www.tuv.com
ID 0000013604
ASSE 1017
Check valve for use in 2521 mixing valve.
Max. inlet temperature: 210ºF.
Code Description Lbs USD
R29326 Check valve insert 0.1 9.35
ASSE 1017