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Mcdonnell & Miller

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Mcdonnell & Miller

For over 80 years, McDonnell & Miller has been an industry leader in the engineering and manufacturing of flow switches, low water cut-offs, water feeders, etc. Trust McDonnell & Miller for everything you need to move water.

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250-1-75, Relief Valve 1" NPT, 75 psi (5.3 kg/cm2)

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Specifications

Product Specifications
Pressure Set Point:	75 psi
Capacity:	2385000 BTU/hr
Capacity (BTU):	2385000

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250-1-75, Relief Valve
1" NPT, 75 psi (5.3 kg/cm2)

SKU: 182325
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$123.25 / each

250-1-100, Relief Valve 1" NPT, 100 psi (7 kg/cm2)

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Specifications

Product Specifications
Pressure Set Point:	100 psi
Capacity:	3060000 BTU/hr
Capacity (BTU):	3060000

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250-1-100, Relief Valve
1" NPT, 100 psi (7 kg/cm2)

SKU: 182425
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$123.25 / each

260-1-1/2-45, Relief Valve 1-1/2" NPT, 45 psi (3.2 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	45 psi
Capacity:	4500000 BTU/hr
Capacity (BTU):	4500000

View Product Detail

260-1-1/2-45, Relief Valve
1-1/2" NPT, 45 psi
(3.2 kg/cm2)

SKU: 182825
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$466.55 / each

Free Shipping

250-2-36, Relief Valve 2" NPT, 36 psi (2.5 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	36 psi
Capacity:	4600000 BTU/hr
Capacity (BTU):	4600000

View Product Detail

250-2-36, Relief Valve
2" NPT, 36 psi (2.5 kg/cm2)

SKU: 183125
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$519.85 / each

Free Shipping

260-1-1/2-50, Relief Valve 1-1/2 NPT, 50 psi (3.5 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	50 psi
Capacity:	4900000 BTU/hr
Capacity (BTU):	4900000

View Product Detail

260-1-1/2-50, Relief Valve
1-1/2 NPT, 50 psi
(3.5 kg/cm2)

SKU: 182925
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$466.55 / each

Free Shipping

250-3/4-15, Relief Valve 3/4" NPT, 15 psi (1 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	15 psi
Capacity:	515000 BTU/hr
Capacity (BTU):	515000

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250-3/4-15, Relief Valve 3/4" NPT, 15 psi
(1 kg/cm2)

SKU: 181220
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$67.35 / each

250-2-50, Relief Valve 2" NPT, 50 psi (3.5 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	50 psi
Capacity:	5900000 BTU/hr
Capacity (BTU):	5900000

View Product Detail

250-2-50, Relief Valve
2" NPT, 50 psi (3.5 kg/cm2)

SKU: 183325
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$519.85 / each

Free Shipping

250-3/4-50, Relief Valve 3/4" NPT, 50 psi (3.5 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	50 psi
Capacity:	1160000 BTU/hr
Capacity (BTU):	1160000

View Product Detail

250-3/4-50, Relief Valve 3/4" NPT, 50 psi
(3.5 kg/cm2)

SKU: 181525
Brand: Mcdonnell & Miller

In Stock!

1 Avail (Ships in 1-3 Days)

$69.95 / each

250-2-30, Relief Valve 2" NPT, 30 psi (2.1 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	30 psi
Capacity:	4100000 BTU/hr
Capacity (BTU):	4100000

View Product Detail

250-2-30, Relief Valve
2" NPT, 30 psi (2.1 kg/cm2)

SKU: 183025
Brand: Mcdonnell & Miller

In Stock!

2 Avail (Ships in 1-3 Days)

$469.95 / each

Free Shipping

250-2-40, Relief Valve 2" NPT, 40 psi (2.8 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	40 psi
Capacity:	5000000 BTU/hr
Capacity (BTU):	5000000

View Product Detail

250-2-40, Relief Valve
2" NPT, 40 psi (2.8 kg/cm2)

SKU: 183175
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$519.85 / each

Free Shipping

250-3/4-40, Relief Valve 3/4" NPT, 40 psi (2.8 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	40 psi
Capacity:	973000 BTU/hr
Capacity (BTU):	973000

View Product Detail

250-3/4-40, Relief Valve 3/4" NPT, 40 psi
(2.8 kg/cm2)

SKU: 181405
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$69.95 / each

250-3/4-30, Relief Valve 3/4" NPT, 30 psi (2.1 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	30 psi
Capacity:	790000 BTU/hr
Capacity (BTU):	790000

View Product Detail

250-3/4-30, Relief Valve 3/4" NPT, 30 psi
(2.1 kg/cm2)

SKU: 181225
Brand: Mcdonnell & Miller

In Stock!

5 Avail (Ships in 1-3 Days)

$67.35 / each

250-1-36, Relief Valve 1" NPT, 36 psi (2.5 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	36 psi
Capacity:	1330000 BTU/hr
Capacity (BTU):	1330000

View Product Detail

250-1-36, Relief Valve
1" NPT, 36 psi (2.5 kg/cm2)

SKU: 182025
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$123.25 / each

260-1-1/2-30, Relief Valve 1-1/2 NPT, 30 psi (2.1 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	30 psi
Capacity:	3300000 BTU/hr
Capacity (BTU):	3300000

View Product Detail

260-1-1/2-30, Relief Valve
1-1/2 NPT, 30 psi
(2.1 kg/cm2)

SKU: 182625
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$449.95 / each

Free Shipping

250-1-45, Relief Valve 1" NPT, 45 psi (3.2 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	45 psi
Capacity:	1575000 BTU/hr
Capacity (BTU):	1575000

View Product Detail

250-1-45, Relief Valve
1" NPT, 45 psi (3.2 kg/cm2)

SKU: 182125
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$123.25 / each

250-3/4-75, Relief Valve 3/4" NPT, 75 psi (5.3 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	75 psi
Capacity:	1615000 BTU/hr
Capacity (BTU):	1615000

View Product Detail

250-3/4-75, Relief Valve 3/4" NPT, 75 psi
(5.3 kg/cm2)

SKU: 181625
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$67.35 / each

250-1-15, Relief Valve 1" NPT, 15 psi (1 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	15 psi
Capacity:	770000 BTU/hr
Capacity (BTU):	770000

View Product Detail

250-1-15, Relief Valve
1" NPT, 15 psi (1 kg/cm2)

SKU: 181920
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$123.25 / each

250-1-65, Relief Valve 1" NPT, 65 psi (4.6 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	65 psi
Capacity:	2110000 BTU/hr
Capacity (BTU):	2110000

View Product Detail

250-1-65, Relief Valve
1" NPT, 65 psi (4.6 kg/cm2)

SKU: 182235
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$123.25 / each

260-1-1/2-40, Relief Valve 1-1/2" NPT, 40 psi (2.8 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	40 psi
Capacity:	4100000 BTU/hr
Capacity (BTU):	4100000

View Product Detail

260-1-1/2-40, Relief Valve
1-1/2" NPT, 40 psi
(2.8 kg/cm2)

SKU: 182730
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$466.55 / each

Free Shipping

250-2-45, Relief Valve 2" NPT, 45 psi (3.2 kg/cm2)

View Specs

Specifications

Product Specifications
Pressure Set Point:	45 psi
Capacity:	5500000 BTU/hr
Capacity (BTU):	5500000

View Product Detail

250-2-45, Relief Valve
2" NPT, 45 psi (3.2 kg/cm2)

SKU: 183225
Brand: Mcdonnell & Miller

Usually Ships 7-10 Days

$519.85 / each

Free Shipping

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Mcdonnell & Miller

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