ASSE LEC 2009-2021Test Results

NSF International TEST REPORT 789 N. Dixboro Rd. Ann Arbor, MI 48105, USA 1-800.NSF.MARK | +1-734.769.8010 | www.nsf.org Send To: C0514373 Facility: C0514374 Mr. Nick Bailey Mikrofill Systems Ltd Mikrofill Systems Ltd 11 Merse Road 11 Merse Road Northmoons Moat Northmoons Moat Redditch WORCS B98 9HL Redditch, Worcestershire B98 9HL United Kingdom United Kingdom Result PASS Report Date 02-DEC-2021 Customer Name Mikrofill Systems Ltd Tested To ASSE LEC 2009-2021 - NSF Mechanical Plumbing Program Automatic filling device | Mikrofill 3 Description Mikrofill 3 Trade Designation Test Only J-00397087 Test Type W0688094 Job Number Natalia Trejmak Project Number Project Manager Thank you for having your product tested by NSF International. Please contact your Project Manager if you have any questions or concerns pertaining to this report. Report Authorization Date 02-DEC-2021 Ata Ciechanowski - Director, Engineering Laboratory FI20211202173250 J-00397087 Page 1 of 7 This report shall not be reproduced, except in its entirety, without the written approval of NSF. This report does not represent NSF Certification or authorization to use the NSF Mark. Authorization to use the NSF Mark is limited to products appearing in the Company’s Official NSF Listing (www.nsf.org). The results relate only to those items tested, in the condition received at the laboratory.

General Information Standard: ASSE LEC 2009-2021 - NSF Mechanical Plumbing Program DCC Number: PM19707 Performance Standard: ASSE LEC 2009 Performance Standard Year: 2021 Physical Description of Sample: Automatic filling device Trade Designation/Model Number: Mikrofill 3 Sample Id: S-0001850920 Description: Automatic filling device | Mikrofill 3 Sampled Date: 09/21/2021 Received Date: 09/21/2021 Testing Parameter Result Units Ann Arbor Engineering Lab Yes psi Marking 100 psi minutes Name of Mfg. or Trademark 140 degrees F Rated Working Pressure Pass psi Rated Temperature minutes Marking of Devices Section 3.1 200 degrees F Note: [ P1004/1 ] 5 degrees F Additional Marking Requirements: 202.9 seconds - Type or model number of the device: Yes 5 - Serial number or other marking: Yes None psig - Direction of water flow: Yes None cycles - Method of marking: adhesive label Pass - Label compliant to UL 969: Yes degrees F 69.2 gpm Hydrostatic Test of Complete Device 68.0 gpm Test sequence time point hours Required test pressure 2 Required test duration 72.3 degrees F Test pressure 5000 hours Test duration 5000 Allowable leakage or damage 5000 Actual leakage or damage None Hydrostatic test of complete device No Pass Life Cycle Valve Test - Plumbing Fixture Fittings Ambient Test Temperature 145.8 Cold Water Temperature 5 Open/Close Dwell Time Flowing Pressure 5.13 Cycles Completed 80 Required Cycles 40.3 Actual Cycles 1 Required Leakage No Actual Leakage Pass Valve Life Test: Note: [ P1022/1 ] Section 3.4 Endurance Test Deterioration at Extreme Temperatures Test Hot Water Exposure Temperature Required Flow Rate Actual Flow Rate Hot Water Exposure Time Cold Water Exposure Temperature Cold Water Exposure Time Indication of Leaks or Damage Deterioration Test FI20211202173250 J-00397087 Page 2 of 7 This report shall not be reproduced, except in its entirety, without the written approval of NSF. This report does not represent NSF Certification or authorization to use the NSF Mark. Authorization to use the NSF Mark is limited to products appearing in the Company’s Official NSF Listing (www.nsf.org). The results relate only to those items tested, in the condition received at the laboratory.

Sample Id: S-0001850920 Testing Parameter Result Units Ann Arbor Engineering Lab ( Continued ) Note: [ P1035/1 ] Section 3.13 Deterioration at Extremes of Manufacturer's Temperature Flow and Pressure Loss Test Flow Rate 3.82 gpm psi Inlet Pressure 50.3 psi Net Pressure Loss (w/ device) 23.8 Flow and Pressure Loss Test Pass Note: [ P1038/1 ] 5 cycles Section 3.12 Flow and Pressure Test 5 cycles 5 cycles Water Hammer Test 300 Cycles completed: 308 psi Required cycles: None psi Actual cycles: No Required surge pressure: Pass Actual surge pressure: Required leakage or damage: Actual leakage or damage: Water Hammer Test Note: [ P1071/1 ] Section 3.3 Water Hammer Test Peak pressure 1: 308 psi 0.0623 inches psi Peak pressure 2: 304 psi 100 psi Peak pressure 3: 311 psi 100.5 psi Peak pressure 4: 312 psi 71.6 psi Peak pressure 5: 303 psi 7.9 psi Reduced Pressure Adjustment Range Test 63.7 Pass Test setup orifice diameter Required Supply Pressure Actual Supply Pressure Maximum Reduced Flowing Pressure Minimum Reduced Flowing Pressure Reduced Flowing Pressure Range Reduced Pressure Adjustment Range Test Note: [ P1080/1 ] Section 3.11 Maximum dowstream pressure setting: 69.0 psi Sections 3.5 & 3.6 inH20 Minimum downstream pressure setting: 5.8 psi 2 min Duration at each pressure setting: 1 minute 42 Drip Tightness of Check Valves 5 inH20 Test time point 42 inH2O Check Valve # 0 Initial Height of Water Column 1 inH2O Test duration 42 inH2O Final Height of Water Column 5 inH2O Difference in Water Column Height 42 inH2O Check Valve # 0 inH2O Initial Height Water Column Test duration < 14 Final Height of Water Column Difference in Water Column Height Req'd Height Differential Water Column FI20211202173250 J-00397087 Page 3 of 7 This report shall not be reproduced, except in its entirety, without the written approval of NSF. This report does not represent NSF Certification or authorization to use the NSF Mark. Authorization to use the NSF Mark is limited to products appearing in the Company’s Official NSF Listing (www.nsf.org). The results relate only to those items tested, in the condition received at the laboratory.

Sample Id: S-0001850920 Testing Parameter Result Units Ann Arbor Engineering Lab ( Continued ) Height Differential Water Column (max) 0 inH2O DRIP TIGHTNESS TEST PASS Atmospheric Vent Opening Test Required inlet pressure - initial 25.0 psi Actual inlet pressure - initial 25.6 psi Required outlet pressure - initial > 20.5 psi Actual outlet pressure - initial 22.9 psi Required inlet pressure - final 100.0 psi Actual inlet pressure - final 100.4 psi Required outlet pressure - final > 80.3 psi Actual outlet pressure - final 98.3 psi Atmospheric vent opening test Pass Note: [ P1084/1 ] Section 3.8 Atmospheric Vent Opening Pressures - Test after Extreme Temp Fouling wire diameter: 0.032 inches Atmospheric Vent Opening Test Required inlet pressure - initial 25.0 psi Actual inlet pressure - initial 25.5 psi Required outlet pressure - initial > 20 psi Actual outlet pressure - initial 23.0 psi Required inlet pressure - final 100.0 psi Actual inlet pressure - final 100.1 psi Required outlet pressure - final > 80.0 psi Actual outlet pressure - final 97.8 psi Outlet pressure reduced to zero Yes Atmospheric vent opening test Pass Note: [ P1084/1 ] Section 3.8 Atmospheric Vent Opening Pressures - Initial test before Extreme Temp Fouling wire diameter: 0.032 inches 0.0623 psi Reduced Flowing Pressure Deviation Test 50.0 psi 50.8 psi Test setup orifice diameter 36.7 psi Step 1 - Required Supply Pressure 35.5 psi Step 1 - Actual Supply Pressure 80.0 psi Step 1 - Reduced Flowing Set Point 80.3 psi Step 1 - Reduced Flowing Pressure Actual 36.4 psi Step 2 - Required Supply Pressure 0.9 psi Step 2 - Actual Supply Pressure 50.0 psi Step 2 - Reduced Flowing Pressure Actual 50.2 psi Step 2 - Deviation from Set Point 35.1 psi Step 3 - Required Supply Pressure 0.4 psi Step 3- Actual Supply Pressure 3 psi Step 3 - Reduced Flowing Pressure Actual 0.9 Step 3 - Deviation from Set Point Pass Max Allowable Deviation from Set Point Actual Maximum Deviation from Set Point 0.0623 Reduced Flowing Pressure Deviation Test Note: [ P1090/1 ] Section 3.10 - Tested after Extreme Temperature Reduced Flowing Pressure Deviation Test Test setup orifice diameter FI20211202173250 J-00397087 Page 4 of 7 This report shall not be reproduced, except in its entirety, without the written approval of NSF. This report does not represent NSF Certification or authorization to use the NSF Mark. Authorization to use the NSF Mark is limited to products appearing in the Company’s Official NSF Listing (www.nsf.org). The results relate only to those items tested, in the condition received at the laboratory.

Sample Id: S-0001850920 Testing Parameter Result Units Ann Arbor Engineering Lab ( Continued ) psi psi Step 1 - Required Supply Pressure 50.0 psi Step 1 - Actual Supply Pressure 50.1 psi Step 1 - Reduced Flowing Set Point 36.7 psi Step 1 - Reduced Flowing Pressure Actual 35.4 psi Step 2 - Required Supply Pressure 80.0 psi Step 2 - Actual Supply Pressure 80.1 psi Step 2 - Reduced Flowing Pressure Actual 35.9 psi Step 2 - Deviation from Set Point 0.5 psi Step 3 - Required Supply Pressure 50.0 psi Step 3- Actual Supply Pressure 50.2 psi Step 3 - Reduced Flowing Pressure Actual 34.7 psi Step 3 - Deviation from Set Point 0.7 psi Max Allowable Deviation from Set Point Actual Maximum Deviation from Set Point 3 in H2O Reduced Flowing Pressure Deviation Test 0.7 in H2O Pass inHg Note: [ P1090/1 ] inHg min Section 3.10 - Initial test before Extreme Temperature min Back Siphonage, Back Pressure cycles cycles Required back pressure 27.75 Actual back pressure 28 psi Required high vaccum 25 minutes Actual high vacuum Required high vaccum duration 25.06 psi Actual high vacuum duration 5 minutes Required vacuum surge cycles 5 Actual vacuum surge cycles 5 psi Max allowable leakage 5 minutes Actual back pressure leakage Actual back siphonage leakage None Backpressure, backsiphonage test No No Pass Note: [ P1109/1 ] Section 3.9 Backsiphonage Orifice diameter = 0.032 inches Section 3.2 Hydrostatic Leakage Test of Check Valves 200 5 Test sequence time point 203.4 Required backpressure 5 Required test duration No First check valve backpressure 202.9 First check valve duration 5 First check valve leakage? No Second check valve backpressure Pass Second check valve duration Second check valve leakage? Section 3.7 Hydrostatic backpressure test of checks No Hydrostatic Leakage Test of Check Valves Pass Test sequence time point First check valve leakage? Hydrostatic backpressure test of checks FI20211202173250 J-00397087 Page 5 of 7 This report shall not be reproduced, except in its entirety, without the written approval of NSF. This report does not represent NSF Certification or authorization to use the NSF Mark. Authorization to use the NSF Mark is limited to products appearing in the Company’s Official NSF Listing (www.nsf.org). The results relate only to those items tested, in the condition received at the laboratory.

Sample Id: S-0001850920 Testing Parameter Result Units Ann Arbor Engineering Lab ( Continued ) turns turns Note: [ P1126/1 ] turns turns - Downstream check held open: Yes - Pressure applied at outlet: Yes - First applied backpressure: 6.0 inches H2O - Backpressure duration: 5 minutes - Leakage observed: None - Second applied backpressure: 15.0 psi - Backpressure duration: 5 minutes - Leakage observed: None - Final applied backpressure: 100.1 psi - Backpressure duration: 5 minutes - Leakage observed: None Dimension, Threaded Fittings Threads A description Inlet: 1/2-14 NPT Threads A number of turns req. +/- 1 from flush Threads A number of turns Spec. 1 0 Threads A number of turns Spec. 2 0 Threads B description Outlet: 1/2-14 NPSM Threads B 'Go' engagement req. Full Threads B 'Go' engagement Spec. 1 Full Threads B 'Go' engagement Spec. 2 Full Threads B 'No Go' # of turns req. <3 Threads B 'No Go' # of turns Spec. 1 0.75 Threads B 'No Go' # of turns Spec. 2 1 Dimensions Test, Threads Pass FI20211202173250 J-00397087 Page 6 of 7 This report shall not be reproduced, except in its entirety, without the written approval of NSF. This report does not represent NSF Certification or authorization to use the NSF Mark. Authorization to use the NSF Mark is limited to products appearing in the Company’s Official NSF Listing (www.nsf.org). The results relate only to those items tested, in the condition received at the laboratory.

Testing Laboratories: Id Address -------------- ---------------------------------------- All work performed at: NSF International (Unless otherwise specified) NSF_AA 789 N. Dixboro Road Ann Arbor MI 48105 References to Testing Procedures: NSF Reference Parameter / Test Description ---------------------------- -------------------------------------------------------------------------------------------------------------- P1004 Marking P1006 Hydrostatic Test of Complete Device P1022 Life Cycle Valve Test - Plumbing Fixture Fittings P1035 Deterioration at Extreme Temperatures Test P1038 Flow and Pressure Loss Test P1071 Water Hammer Test P1080 Reduced Pressure Adjustment Range Test P1083 Drip Tightness of Check Valves P1084 Atmospheric Vent Opening Test P1090 Reduced Flowing Pressure Deviation Test P1109 Back Siphonage, Back Pressure P1126 Hydrostatic Leakage Test of Check Valves P3010 Dimension, Threaded Fittings Test descriptions preceded by an asterisk “*” indicate that testing has been performed per NSF International requirements but is not within its scope of accreditation. Unless otherwise indicated, method uncertainties are not applied in any determinations of conformity. Testing utilizes the requested sections of any referenced standards, which may not be the entire standard. Dates of Laboratory Activity: 15-SEP-2021 to 02-DEC-2021 FI20211202173250 J-00397087 Page 7 of 7 This report shall not be reproduced, except in its entirety, without the written approval of NSF. This report does not represent NSF Certification or authorization to use the NSF Mark. Authorization to use the NSF Mark is limited to products appearing in the Company’s Official NSF Listing (www.nsf.org). The results relate only to those items tested, in the condition received at the laboratory.