117107LF Bell & Gossett Circuit Setter Plus CB-3 Balance Valve 3" NPT. The Bell & Gossett Circuit Setter Plus is a calibrated balance valve designed for pre-set proportional system balance. Since its introduction to the HVAC industry in...

117106LF Bell & Gossett Circuit Setter Plus CB-2-1/2 Balance Valve. The Bell & Gossett Circuit Setter Plus is a calibrated balance valve designed for pre-set proportional system balance. Since its introduction to the HVAC industry in 1968,...

181725 McDonnell & Miller Relief Valve 250-3/4-100. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...

181625 McDonnell & Miller Relief Valve  250-3/4-75. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2)...

181905 McDonnell & Miller Relief Valve 250-3/4-60. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...

181525 McDonnell & Miller Relief Valve 250-3/4-50 - 3/4" NPT. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21...

181425 McDonnell & Miller Relief Valve 250-3/4-45. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...

181405 McDonnell & Miller Relief Valve 250-3/4-40. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...

181325 McDonnell & Miller Relief Valve 250-3/4-36. Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3 psi (.21 kg/cm2) between...

181225 McDonnell & Miller Relief Valve 250-3/4-30 Relief Valve 3/4" NPT Features and Benefits: For tanks and hydronic heating systems Protects against over-pressure Minimizes hammering with flash steam Low differential pressure – 3...

163100 McDonnell & Miller 93-7B-M Low Water Cut-Off. McDonnell & Miller LWCO Instruction Manual Features: For commercial and industrial low or high pressure steam boilers Maintains consistent water level regardless of pressure For...

162300 McDonnell & Miller Combination Control Model 93 Low Water Cut-Off. Information: McDonnell & Miller LWCO Instruction Manual Features: For commercial and industrial low or high pressure steam boilers Maintains consistent water...

127200 McDonnell & Miller Make-Up Water Feeder Model 27-W. Features: For commercial and industrial liquid level open tank applications Materials of construction: Brass, Monel valve seat, EPDM disc Maximum pressure 35 psi (2.5 kg/cm2) Maximum...

126800 McDonnell & Miller Make-Up Water Feeder Model 25-A. McDonnell & Miller Model 21 Water Feeder Instruction Manual Features: For boiler receiver tanks Float operated Proportional feed action Soft seat provides positive seal Seal...

126400 McDonnell & Miller Make-Up Water Feeder Model 21. Mcdonnell & Miller Model 21 Instruction Manual For boiler receiver tanks Direct mounting eliminates need for equalizing connections Proportional feed action Mounting Flange –...

113550 McDonnell & Miller FS1-J Flow Switch. *Please note image is generic. McDonnell & Miller FS1 Instruction Manual For general purpose applications where high sensitivity is required and moderate or low flow rates are encountered such as...

113200 McDonnell & Miller FS-1 1/2" Liquid Flow Switch. McDonnell & Miller FS1 Instruction Manual Features: For general purpose applications where high sensitivity is required and moderate or low flow rates are encountered such as air...

123010 McDonnell & Miller Air Flow Switch Model AFE-1 Hazardous Environment Applications. Information: McDonnell & Miller AFE-1 Instruction Manual For industrial hazardous environment applications requiring a NEMA 7 (Class I, Division I,...

123450 McDonnell & Miller Air Flow Switch Model AF3D. McDonnell & Miller AFE-1 Instruction Manual For general purpose low velocity applications where the most economical flow switch is desired. Paddle fits 8" (203mm) minimum duct...

123400 McDonnell & Miller Air Flow Switch Model AF3. McDonnell & Miller AF1 Flow Switch Instruction Manual For general purpose low velocity applications where the most economical flow switch is desired. Paddle fits 8" (203mm)...

123200 McDonnell & Miller Air Flow Switch Model AF2. McDonnell & Miller AF1 Flow Switch Instruction Manual For low velocity applications: Paddle fits 8" (203mm) minimum duct size Two electrical knock-outs allow connection from either...

123000 McDonnell & Miller Air Flow Switch AF1-S. *Please note image is generic. McDonnell & Miller AF1 Flow Switch Instruction Manual For general purpose applications with medium and high velocity requirements: Paddle fits 8" (203mm)...

122800 McDonnell Miller Air Flow Switch Model AF1. McDonnell & Miller AF1 Flow Switch Instruction Manual For general purpose applications with medium and high velocity requirements: Paddle fits 8" (203mm) minimum duct size, or 6" (152mm) if...

402011 Hoffman 17C-S-3-25 Straightaway 3/4" Thermostatic Trap. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Hoffman Thermostatic Steam Traps Series 8C, 9C & 17C Instruction Manual Hoffman Thermostatic...

402012 Hoffman 17C-A-4-25 Angle 1" Thermostatic Trap. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Hoffman Thermostatic Steam Traps Series 8C, 9C & 17C Instruction Manual Hoffman Thermostatic Steam...

402003 Hoffman Specialty Radiator Trap 8C-A-3-125 - 3/4" Angle Pattern Thermostatic Trap. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Hoffman Thermostatic Steam Traps Series 8C, 9C & 17C Instruction...

401551 Hoffman 17C-V 2-25 Vertical 1/2" Thermostatic Steam Trap. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Hoffman Thermostatic Steam Traps Series 8C, 9C & 17C Instruction Manual Hoffman...

401545 Hoffman 17C-SV-2-25 Swivel Thermostatic Steam Trap 1/2". Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Hoffman Thermostatic Steam Traps Series 8C, 9C & 17C Instruction Manual Hoffman Thermostatic...

R-2-1/2N Bell & Gossett Rolairtrol Air Separator Threaded W/Strainer 5360-25N-12-002 with 115 gpm capacity, cast iron body rated 125 psi and 350 degree F. Shipping weight 90lbs, ASME construction. Information: Bell & Gossett Rolairtrol...

R-3N Bell & Gossett Rolairtrol Air Separator Threaded W/ Strainer 5360-03N-12-003 is a 3" threaded Rolairtrol air separator with strainer. 170 gpm capacity, steel body rated 125 psi and 350 degree F. Shipping weight 110lbs, ASME...

R-3F Bell & Gossett Rolairtrol Air Separator Flanged W/Strainer 5360-03F-12-003 is a 3" Flanged Rolairtrol air separator with strainer. 190 gpm capacity, carbon steel body rated 125 psi and 350 degree F. Shipping weight 110lbs, ASME...

R-4F Bell & Gossett Rolairtrol Air Separator Flanged W/Strainer 5360-04F-12-003. Bell & Gossett Separator Rolairtrol Flanged Part Number R-4F 5360-04F-12-003 is a 4" Flanged Rolairtrol air separator with strainer. 270 gpm capacity,...

R-5F Bell & Gossett Rolairtrol Air Separator Flanged W/Strainer 5360-05F-12-003. Bell & Gossett Separator Rolairtrol Flanged Part Number R-5F 5360-05F-12-003 is a 5" Flanged Rolairtrol air separator with strainer. 425 gpm capacity,...

R-6F Bell & Gossett Rolairtrol Air Separator Flanged W/Strainer 5360-06F-12-003. Bell & Gossett Separator Rolairtrol Flanged Part Number R-6F 5360-06F-12-003 is a 6" Flanged Rolairtrol air separator with strainer. 580 gpm capacity,...

R-8F Bell & Gossett Rolairtrol Air Separator Flanged W/Strainer 5360-08F-12-003. Information: Bell & Gossett Rolairtrol Brochure Bell & Gossett Rolairtrol Installation Guide The Bell & Gossett Rolairtrol® is a patented...

R-10F Bell & Gossett Rolairtrol Air Separator Flanged 5360-10F-12-003. Bell & Gossett Separator Rolairtrol Flanged R-10F is a 10" Flanged Rolairtrol air separator with strainer. 2115 gpm capacity, steel body rated 125 psi and 350...

R-12F Bell & Gossett Rolairtrol Flanged Separator W/Strainer 5360-12F-12-003. Bell & Gossett Rolairtrol Flanged Separator R-12F is a 12" Flanged Rolairtrol air separator with strainer. 3630 gpm capacity, steel body rated 125 psi...

402006 Hoffman 17C-A-3-25 Angle 3/4" Thermostatic Trap. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Hoffman Thermostatic Steam Traps Series 8C, 9C & 17C Instruction Manual Hoffman Thermostatic Steam...

401542 Hoffman Specialty 17C-A-2 Thermostatic Angle Steam Trap w/Short Nipple.  Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Hoffman Thermostatic Steam Traps Series 8C, 9C & 17C Instruction...

401536 Hoffman Thermostatic Trap 17C-A 2-25 Angle 1/2". Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Hoffman Thermostatic Steam Traps Series 8C, 9C & 17C Instruction Manual Hoffman Thermostatic Steam...