100workfromhome 
Best results for adjustable vacuum relief valve
Superior Pump 99555 Universal Check Valve, Plastic, Fits all 1-1/4-Inch or 1-1/2-Inch MIP or FIP
$6.64
$7.44
Amazon.com
Last update was on: November 8, 2024 9:30 am
- Will fit any 1-1/4-inch or 1-1/2-inch NPT male or female thread
- Made from durable ABS plastic
- High quality Nitril-Bruna N seal
- Universal design works with multiple applications
- Kit includes check valve and two adapters
- Water pressure limit: Max 11 psi
Control Devices ST25-1A175 ST Series Brass Soft Seat ASME Safety Valve, 175 psi Set Pressure, 1/4 Male NPT
$7.93
$9.52
Amazon.com
Last update was on: November 8, 2024 9:30 am
- Relief pressure preset to 175 psi with flow rate of 157 cfm
- 1/4 NPT threaded inlet connection with Vibra-Seal threadlock
- Brass construction and music wire spring for corrosion resistance
- 250 F maximum temperature for use in high temperature applications
- ASME safety rated with UV and NB marks
Cash Acme 22398-0000LF Vr-801 Drill Vent 3/4-Inch Vacuum Relief Valve with Dust Cover, Lead Free
$18.50
$24.05
Amazon.com
Last update was on: November 8, 2024 9:30 am
- Guards against siphon age, burnt-out heaters and collapsing of storage tanks and negative pressure
- Opens quickly in emergency situations
- ANSI Z21. 22/CSA 4. 4 code approvals
- Capacity 13 SCFM at 2" Hg. Available with dust cover
- Maximum temperature 210 Degree (99 Degree)
Webstone 44443WPR 3/4-Inch IPS Isolator EXP E2 Tankless Water Heater Service Valve Kit with Clean Brass Construction
Zoeller 30-0181 PVC Plastic Check Valve, 1-1/2 Inch
ABLAZE 1.5 Quart Stainless Steel Vacuum Degassing Chamber and 3 CFM Single Stage Pump Kit
$119.99
$158.39
Amazon.com
Last update was on: November 8, 2024 9:30 am
- NOTICE: Pump Oil Not Included. Chamber tested before shipping
- Maintain high vacuum for over 24 hours
- 1.5 Quart Degassing Vacuum Chamber kit used to degass silicones, epoxies, essential oils, urethanes, etc.
- Vacuum Pump Voltage:110V 60HZ Power: 1/4 HP Single Stage 3CFM Oil Capacity:220ml
- Maintain high vacuum for over 24 hours
Rheem SP12574 Temperature and Pressure Relief Valve
Amazon.com
Last update was on: November 8, 2024 9:30 am
- For best results, use only Rheem replacement parts for repairing your Rheem Water Heater
- Maximum Temperature Setting (Deg. F): 210, Maximum Pressure Setting (psi): 150, CSA Capacity (BTU/HR): 105,000, Inlet Thread Size - NPT (in.): 3/4
- Outlet Thread Size - NPT (in.): 3/4, Overall Length (in.): 7-1/4, Body Length (in.): 3-1/4, Sensor Length (in.): 4
- Kits which contain this part: 45W613
