Dunlop No. 5 Black Handhole (DUN5BHH)Dunlop Adjustable Gaskets Handhole Black, Steam Model No. 5 Diameter: 6 1 8 Adjustable Size: 4 x 7 1 2

Condition Indicator

Horsepower: 1 1/5

2C Blow Out Proof Stem ASME Compliant per B31

This control features an automatic reset with standard number 5 single pole single throw switches

It is good on pump to boiler line where syphoning may be present

Material: Stainless Steel

Model number TC4 is a Test-N-Check hot water boiler control valve which simplifies the code mandated testing of low water cut-offs by eliminating the need to drain the system

and 764 controls

1 1/4” swing check valve

1/2" Pipe Size

provides a reliable automatic modulating unit

Its maximum pressure is 20 psi and has a tapped 1" FIP connection for equalizing pipes