79 Results
Filters 5
Popularity Product Name Mfg. Part Number Order Number

Mueller Streamline, Relief Valves, Air Conditioning & Refrigeration Components, HVACR Parts, Hydronics & Plumbing

Pressure Relief Valve B12-056
Pressure Relief Valve
Inlet Conn.: 1/2" MPT; Outlet Conn.: 5/8" SAE; Port Size: 9/32"; Discharge Capacity: 26.8; Pressure Setting: 400 PSIG;
Brand: Mueller Streamline Mfg #: A15504-400
Catalog Pg.: 1287 View Similar Items
Pressure Relief Valve B12-052
Pressure Relief Valve
Inlet Conn.: 3/8" MPT; Outlet Conn.: 1/2" SAE; Port Size: 9/32"; Discharge Capacity: 26.8; Pressure Setting: 400 PSIG;
Brand: Mueller Streamline Mfg #: A18783-400
Catalog Pg.: 1286 View Similar Items
1/2" MPT x MPT Boiler Drain Valve R56-658
1/2" MPT x MPT Boiler Drain Valve
Size: 1/2" MPT x MPT;
Brand: Mueller Streamline Mfg #: 102-053HN
Catalog Pg.: 523 View Similar Items
Pressure Relief Valve B12-054
Pressure Relief Valve
Inlet Conn.: 1/2" MPT; Outlet Conn.: 5/8" SAE; Port Size: 9/32"; Discharge Capacity: 16.1; Pressure Setting: 235 PSIG;
Brand: Mueller Streamline Mfg #: A15504-235
Catalog Pg.: 1286 View Similar Items
Pressure Relief Valve B12-046
Pressure Relief Valve
Inlet Conn.: 1/4" MPT; Outlet Conn.: 3/8" SAE; Port Size: 3/16"; Discharge Capacity: 8.1; Pressure Setting: 235 PSIG;
Brand: Mueller Streamline Mfg #: B33752-235
Catalog Pg.: 1286 View Similar Items
Pressure Relief Valve B14-183
Pressure Relief Valve
Inlet Conn.: 1/4" MPT; Outlet Conn.: 3/8" SAE; Port Size: 3/16"; Discharge Capacity: 10.2; Pressure Setting: 300 PSIG;
Brand: Mueller Streamline Mfg #: B33752-300
Catalog Pg.: 1286 View Similar Items
3/4" MPT x MPT Boiler Drain Valve R56-659
3/4" MPT x MPT Boiler Drain Valve
Size: 3/4" MPT x MPT;
Brand: Mueller Streamline Mfg #: 102-054HN
Catalog Pg.: 523 View Similar Items
Pressure Relief Valve B14-216
Pressure Relief Valve
Inlet Conn.: 1/2" MPT; Outlet Conn.: 5/8" SAE; Port Size: 9/32"; Discharge Capacity: 28.4; Pressure Setting: 425 PSIG;
Brand: Mueller Streamline Mfg #: A15514-425
Catalog Pg.: 1287 View Similar Items
Pressure Relief Valve B14-225
Pressure Relief Valve
Inlet Conn.: 3/4" MPT; Outlet Conn.: 3/4" FPT; Port Size: 7/16"; Discharge Capacity: 54.0; Pressure Setting: 350 PSIG;
Brand: Mueller Streamline Mfg #: A18358-350
Catalog Pg.: 1287 View Similar Items
Pressure Relief Valve B14-187
Pressure Relief Valve
Inlet Conn.: 3/8" MPT; Outlet Conn.: 3/8" SAE; Port Size: 3/16"; Discharge Capacity: 11.8; Pressure Setting: 350 PSIG;
Brand: Mueller Streamline Mfg #: A15502-350
Catalog Pg.: 1286 View Similar Items
1/2" FPT x FPT Swing Check Valve R57-472
1/2" FPT x FPT Swing Check Valve
Conn. Size: 1/2" FPT; Body Type: Brass;
Brand: Mueller Streamline Mfg #: 101-003NL
Catalog Pg.: 505 View Similar Items
Pressure Relief Valve B14-222
Pressure Relief Valve
Inlet Conn.: 1/2" MPT; Outlet Conn.: 1/2" FPT; Port Size: 7/16"; Discharge Capacity: 68.8; Pressure Setting: 450 PSIG;
Brand: Mueller Streamline Mfg #: A18356-450
Catalog Pg.: 1287 View Similar Items
3/4" FPT x FPT Swing Check Valve R57-473
3/4" FPT x FPT Swing Check Valve
Conn. Size: 3/4" FPT; Body Type: Brass;
Brand: Mueller Streamline Mfg #: 101-004NL
Catalog Pg.: 505 View Similar Items
1" FPT x FPT Swing Check Valve R57-474
1" FPT x FPT Swing Check Valve
Conn. Size: 1" FPT; Body Type: Brass;
Brand: Mueller Streamline Mfg #: 101-005NL
Catalog Pg.: 505 View Similar Items
3/4" C x C Swing Check Valve R57-477
3/4" C x C Swing Check Valve
Conn. Size: 3/4" C x C; Body Type: Brass;
Brand: Mueller Streamline Mfg #: 101-504NL
Catalog Pg.: 505 View Similar Items
1/2" C x C Swing Check Valve R57-476
1/2" C x C Swing Check Valve
Conn. Size: 1/2" C x C; Body Type: Brass;
Brand: Mueller Streamline Mfg #: 101-503NL
Catalog Pg.: 505 View Similar Items
Pressure Relief Valve B14-217
Pressure Relief Valve
Inlet Conn.: 1/2" MPT; Outlet Conn.: 5/8" SAE; Port Size: 9/32"; Discharge Capacity: 30.1; Pressure Setting: 450 PSIG;
Brand: Mueller Streamline Mfg #: A15514-450
Catalog Pg.: 1287 View Similar Items
Pressure Relief Valve B14-174
Pressure Relief Valve
Inlet Conn.: 1/4" MPT; Port Size: 3/16"; Discharge Capacity: 10.2; Pressure Setting: 300 PSIG;
Brand: Mueller Streamline Mfg #: B33755-300
Catalog Pg.: 1286 View Similar Items
Pressure Relief Valve B12-050
Pressure Relief Valve
Inlet Conn.: 3/8" MPT; Outlet Conn.: 1/2" SAE; Port Size: 9/32"; Discharge Capacity: 16.1; Pressure Setting: 235 PSIG;
Brand: Mueller Streamline Mfg #: A18783-235
Catalog Pg.: 1286 View Similar Items
Pressure Relief Valve B14-181
Pressure Relief Valve
Inlet Conn.: 3/8" MPT; Port Size: 3/16"; Discharge Capacity: 13.5; Pressure Setting: 400 PSIG;
Brand: Mueller Streamline Mfg #: A17430-400
Catalog Pg.: 1286 View Similar Items
Pressure Relief Valve B14-220
Pressure Relief Valve
Inlet Conn.: 1/2" MPT; Outlet Conn.: 1/2" FPT; Port Size: 7/16"; Discharge Capacity: 61.4; Pressure Setting: 400 PSIG;
Brand: Mueller Streamline Mfg #: A18356-400
Catalog Pg.: 1287 View Similar Items
1-1/4" FPT x FPT Swing Check Valve R57-475
1-1/4" FPT x FPT Swing Check Valve
Conn. Size: 1-1/4" FPT; Body Type: Brass;
Brand: Mueller Streamline Mfg #: 101-006NL
Catalog Pg.: 505 View Similar Items
Pressure Relief Valve B12-049
Pressure Relief Valve
Inlet Conn.: 1/4" MPT; Outlet Conn.: 3/8" SAE; Port Size: 3/16"; Discharge Capacity: 15.1; Pressure Setting: 450 PSIG;
Brand: Mueller Streamline Mfg #: B33752-450
Catalog Pg.: 1286 View Similar Items
Pressure Relief Valve B14-190
Pressure Relief Valve
Inlet Conn.: 3/8" MPT; Outlet Conn.: 3/8" SAE; Port Size: 3/16"; Discharge Capacity: 15.1; Pressure Setting: 450 PSIG;
Brand: Mueller Streamline Mfg #: A15502-450
Catalog Pg.: 1286 View Similar Items
FTL Finance
Powered by Site Search powered by SLI Systems

© 2025 Johnstone Supply. All rights reserved.

Select products to compare.
Compare